1. Which of the following situations describes data from two separate populations?
the scores of 500 eighth-grade students on a reading test in September compared to their scores in June
O
the grade point averages of 20 students before participating in a tutoring program compared with their grade point averages after participating im
the salaries of 50 engineers in Houston compared with the salaries of 50 engineers in San Diego
the percentage of successful goals for 30 athletes before participating in a soccer camp and after participating in the soccer camp
Answers
The salaries of 50 engineers in Houston compared with the salaries of 50 engineers in San Diego describe data from two separate populations.
What is data in survey ?
Data in a survey refers to the information that is collected from the individuals or groups that participate in the survey. This data can include responses to questions asked in the survey, demographic information about the participants, and any other relevant information that is gathered as part of the survey. The data collected from a survey is typically used to analyze trends, identify patterns, or draw conclusions about the attitudes, beliefs, behaviors, or characteristics of the population being surveyed. The data can be analyzed quantitatively, using statistical methods to identify trends or patterns, or qualitatively, using a more subjective approach to interpret the responses and identify themes or insights.
To read and interpret data, you will need to follow these basic steps:
Understand the context: Before looking at the data, it is important to understand the context in which it was collected. This includes understanding what the data represents, how it was collected, and who or what it represents.
Review the data: Once you understand the context, review the data to identify any patterns or trends that are present. Look for patterns in the data, such as increases or decreases over time, or relationships between different variables.
Analyze the data: Use statistical or analytical techniques to further analyze the data and identify any significant patterns or relationships that may not be immediately apparent. This can involve using charts, graphs, or statistical methods to identify trends and patterns in the data.
Draw conclusions: Based on your analysis of the data, draw conclusions about what the data represents and what it can tell you about the population being studied. This may involve making predictions or recommendations based on the data.
Communicate findings: Finally, communicate your findings to others in a clear and concise manner. This may involve creating charts or graphs to visually represent the data or writing a report that summarizes your findings and recommendations.
Overall, reading and interpreting data requires a combination of critical thinking, analytical skills, and a thorough understanding of the context in which the data was collected.
To know more about Data visit :-
https://brainly.com/question/26711803
#SPJ1
Related Questions
help plzzzzz it's a 9th grade question
Answers
you get this by equaling the two y= equations to each other so 9x=2x+49 then you would solve algebraically to get x so 7x=49.
X=7
Then you would go back to the two original y= equations and place the value of x into the equation to find the value of y so
Y=9(7)
Y=63 and if you want to check it to make sure its right you can place it into the other y= equation and the values should be the same and in this case they are so the values are correct .
Where will the reflection on the x-axis be?QuadrantiQuadrant ilQuadrant IVQuadrant(-6,-7)
Answers
The reflection will be on Quadrant II
Explanation:The rule for reflection on the x-axis is to negate the y-values but leave the x-values the same.
(-6, -7) becomes (-6, 7)
This would reflect on Quadrant II
What is 1/5 of £ 40?
Give your answer in pounds (£).
Answers
Answer:
£ 8
Step-by-step explanation:
basic equation:
£40 * 1/5
£ 40/5
£ 8
∵ £ 8 is the 1/5 of £ 40Answer:
We need to find the 1/5 value of £40.We can find the value by multiplying 1/5 by £40.Solution:
\( = \frac{1}{ \cancel5} \times \cancel{40} \: {}^{8} £\)
\( = 1 \times 8£\)
\( = 8£\)
Plz only answer if you know you are correct
Answers
Answer: slope = 3/4
Step-by-step explanation:
what does it mean to round to the nearest hundredth
Answers
Rounding to the nearest hundredth is all about approximating the number to the nearest two decimal places.
To round to the nearest hundredth means to approximate a number to the nearest two decimal places. This is done by looking at the digit in the thousandth place and determining whether it should be rounded up or down.
Here's a step-by-step process:
1. Identify the digit in the thousandth place. For example, in the number 3.4567, the digit in the thousandth place is 5.
2. Look at the digit to the right of the thousandth place. If it is 5 or greater, round the digit in the thousandth place up by adding 1. If it is less than 5, leave the digit in the thousandth place as it is.
3. Replace all the digits to the right of the thousandth place with zeros.
For example, if we want to round the number 3.4567 to the nearest hundredth:
1. The digit in the thousandth place is 5.
2. The digit to the right of the thousandth place is 6, which is greater than 5. So, we round the digit in the thousandth place up to 6.
3. We replace all the digits to the right of the thousandth place with zeros.
Therefore, rounding 3.4567 to the nearest hundredth gives us 3.46.
Rounding to the nearest hundredth is all about approximating the number to the nearest two decimal places. This can be useful when dealing with measurements or calculations that require a certain level of precision.
Know more about decimal places here,
https://brainly.com/question/30650781
#SPJ11
What is 2x + 2x + 2 = 4x + 2
Answers
Answer:
I think the answer is 33 I'm not sure but that is what I got
your planning w dinner party with the budget of 50$ and a menu that consists of 1 main dish 2 side dish and 1 dessert
Answers
This sample menu should feed around 6-8 people, depending on portion sizes. You can adjust the amounts of ingredients as needed to fit your specific needs. You may also be able to find some ingredients on sale or substitute them for cheaper options to save even more money. Happy planning!
If you're planning a dinner party with a budget of $50 and a menu that consists of 1 main dish, 2 side dishes, and 1 dessert, there are plenty of affordable options you can choose from. Here's a sample menu that should fit within your budget:Main Dish: Baked Chicken - $10Ingredients:4 chicken leg quarters - $6.004 tbsp olive oil - $0.501 tbsp salt - $0.101 tbsp pepper - $0.101 tbsp garlic powder - $0.101 tbsp paprika - $0.10Directions:Preheat oven to 400°F. Combine salt, pepper, garlic powder, and paprika in a small bowl.
Drizzle chicken with olive oil and rub spice mixture onto chicken. Place chicken in a baking dish and bake for 45-50 minutes until chicken is cooked through.
Side Dish 1: Garlic Roasted Potatoes - $4Ingredients:6 medium-sized potatoes - $1.501/4 cup olive oil - $0.751 tbsp salt - $0.101 tbsp pepper - $0.101 tb sp garlic powder - $0.10Directions:Preheat oven to 400°F. Wash potatoes and cut them into small cubes.
Combine potatoes with olive oil, salt, pepper, and garlic powder in a large mixing bowl. Spread the potatoes out in a single layer on a baking sheet and bake for 30-35 minutes until golden brown and crispy.
Side Dish 2: Sauteed Green Beans - $3Ingredients:
1 lb green beans - $2.001/4 cup butter - $0.501 tbsp garlic - $0.101/2 tbsp salt - $0.051/2 tbsp pepper - $0.05Directions:Bring a pot of water to a boil and blanch green beans for 2-3 minutes. Drain and rinse under cold water. Combine flour, rolled oats, brown sugar, butter, cinnamon, and nutmeg in a mixing bowl. Use your hands to mix the ingredients together until crumbly. Spread the topping over the apples and bake for 35-40 minutes until golden brown and crispy.
Total cost: $25This sample menu should feed around 6-8 people, depending on portion sizes. You can adjust the amounts of ingredients as needed to fit your specific needs. You may also be able to find some ingredients on sale or substitute them for cheaper options to save even more money. Happy planning!
to know more about Wash potatoes visit:
https://brainly.com/question/28963219
#SPJ11
A card is selected from a pack of 52 cards. What is the probability that the card is a 4
Answers
Answer:
1/52
Step-by-step explanation:
The probability that the card is a 4 in a pack of cards is 1 /13.
What is probability?A probability is a numerical representation of the likelihood or chance that a specific event will take place. Both proportions ranging from 0 to 1 and percentages ranging from 0% to 100% can be used to describe probabilities.
Given, A card is selected from a pack of 52 cards. A favorable outcome is getting 4 since there are four 4 in a pack of cards. Thus,
When a card is selected from a pack of 52 cards the number of possible outcomes is 52 i.e., the sample space contains 52 elements
Therefore there are 52 points in the sample space.
Let E be the event in which the card drawn is an ace.
Since there are 4 aces in a pack of 52 cards n(E)=4
∴P(E)= \(\frac{Totalnumberofpossibleoutcomes}{Numberofoutcomesfavourableto}\)
E = \(\frac{n(S)}{n(E)}\)
E = 4/52 = 1/13
Therefore, In a deck of cards, there is a 1 in 13 chance that the card is a 4.
Learn more about probability here:
https://brainly.com/question/11234923
#SPJ2
Factor the following polynomial with the greatest common factor
Answers
Answer:
6x³(2x - x² + 3)
Step-by-step explanation:
Given
12\(x^{4}\) - 6\(x^{5}\) + 18x³ ← factor out 6x³ from each term
= 6x³(2x - x² + 3)
Which choice is equivalent to the expression below?
Answers
20^1/2 - 5^1/2 + 45^1/2
= 2(5)^1/2 - (5)^1/2 + 3(5)^1/2
=4(5)^1/2 is answer so
B is right answer
what is the restricted domain on the tangent function that allows us to build the arctangent (inverse tangent) function?
Answers
(-π/2 , π/2) is the restricted domain on the tangent function that allows us to build the arctangent (inverse tangent) function.
As, we know that the Tangent function is neither an One-One nor Onto function. So, the domain should be restricted to obtain the inverse function of the Tangent function.
Domain of the tangent function be, R - {(2n+1)π/2}
Range of the tangent function be, R
Now, to build the inverse tangent function we have to restrict the domain so that, the function will be one-one and onto both.
So, the restricted domain be (-π/2 , π/2).
In the domain (-π/2 , π/2), the tangent function is one-one and onto both and hence, we can build the inverse tangent function i.e. arctangent.
So, (-π/2 , π/2) is the restricted domain on the tangent function that allows us to build the arctangent (inverse tangent) function.
Learn more about Trigonometric Functions here https://brainly.com/question/25618616
#SPJ4
This equation represents the data:
2.5(12.75x + 24.50) = 188.75
Big Time Movers worked
hours on New Year’s Day.
Answers
Answer:
the answer is 4
Step-by-step explanation:
i just did it on edge
Answer:4
Step-by-step explanation:
A vector
A
has components A
X
=83 m and A
y
=32 m. What is the magnitude of vector
A
?
Answers
The magnitude of vector A of the following components AX and AY is 88.95m
In this question we will apply the pythagoras theorem which will be depicted as
\(R = \sqrt{AX^{2} + AY^{2} }\) . . . . . . . . . (1)
where , R = resultant magnitude of vector
AX and AY are the components of vector
As per the question
AX = 83m
AY = 32m
Putting the values in the equation (1) we get
\(R= \sqrt{83^{2} +32^{2} }\)
\(R =\sqrt{6889+1024}\)
\(R=\sqrt{7913}\\\)
R = 88.95m
Thus the magnitude of vector A for the following components is 88.95m
To learn more about vectors
https://brainly.com/question/30817683
https://brainly.com/question/25705666
4.89 x 2.2 find the product
Answers
Answer: Hi!
4.89 * 2.2 = 10.758 (rounded is 10.76 or 10.8)
Tip: Line up the terms vertically and multiply.
Hope this helps!
layton's sales of the garner book totaled $300,000 for the last half of 20x6. in its 20x6 income statement, layton should report royalty expense of:
Answers
Answer:
Layton should report royalty expense of: $85,000.
Step-by-step explanation:
Under the cash basis of accounting, sales equals cash collections. Layton's sales of the Garner book totaled $300,000 for the last half of 20X6. In its 20X6 Income Statement.
You hear on the news that over the next 5 years the inflation rate will skyrocket to 12% if today a new blu-ray movie costs $19.99 assuming continuous compounding how much will the same disk cost in 5 years?
Answers
The Blu-ray movie will cost approximately $36.42 in 5 years with an inflation rate of 12% and continuous compounding.
To calculate the future cost of the Blu-ray movie in 5 years with an inflation rate of 12% and continuous compounding, we can use the formula for continuous compound interest:
A = P * e^(rt)
Where:
A = Future value
P = Present value
e = Euler's number (approximately 2.71828)
r = Annual interest rate (in decimal form)
t = Time period in years
In this case, the present value (P) is $19.99, the inflation rate (r) is 12% or 0.12, and the time period (t) is 5 years. Substituting these values into the formula, we get:
A = 19.99 * e^(0.12 * 5)
Calculating the exponent first:
0.12 * 5 = 0.6
Then:
e^0.6 ≈ 1.82212
Finally:
A = 19.99 * 1.82212 ≈ 36.42
Using the formula for continuous compound interest, we calculated that a Blu-ray movie that costs $19.99 today will cost approximately $36.42 in 5 years, assuming an inflation rate of 12% and continuous compounding.
For more such question on cost. visit :
https://brainly.com/question/2292799
#SPJ8
suppose that you want to construct a 95% confidence interval for estimating a population mean. how does the margin of error with a sample size of 100 compare with the margin of error with a sample size of 2500 if both samples have the same standard deviation
Answers
The margin of error is directly proportional to the sample size. As the sample size increases, the margin of error decreases.
What is sample?
In statistics, a sample refers to a subset of individuals or observations taken from a larger population. It is a representative portion of the population that is selected to gather information and make inferences about the entire population.
Given that the standard deviation is the same for both samples, with a sample size of 100 and a sample size of 2500, the margin of error will be smaller for the sample size of 2500 compared to the sample size of 100.
This means that with a larger sample size of 2500, we can expect a more precise estimation of the population mean, resulting in a narrower confidence interval. Conversely, with a smaller sample size of 100, the margin of error will be larger, resulting in a wider confidence interval and a less precise estimation of the population mean.
Therefore, the margin of error is directly proportional to the sample size. As the sample size increases, the margin of error decreases.
To learn more about sample visit:
https://brainly.com/question/24466382
#SPJ4
Solve for x. Round to the nearest tenth of a degree, if necessary.
Answers
Answer:
29.9Step-by-step explanation:
tan x = 5.6/9.7
tan x = 0.57732
x = 29.9 to nearest tenth
I hope I'm correct if not I tried my best
bye :-)
If 20% of all manually filed returns contain errors, and 0.05% of all electronically filed returns contain errors, how much more likely is a manual filer to make an error than an electronic filer? a. 40,000 times more likely b. 4,000 times more likely c. 400 times more likely d. 40 times more likely please select the best answer from the choices provided a b c d
Answers
Based on the error rate of manually and electronically filed returns, the chances of making an error using manual instead of electronic is c. 400 times more likely.
How much more likely are errors with manual filing?This can be found as:
= Percentage error from manual returns / Percentage error from electronic returns
Solving gives:
= 20% / 0.05%
= 400 times
In conclusion, option C is correct.
Find out more on filing returns at https://brainly.com/question/27300507.
#SPJ4
How do I solve this I wanna know so I can do the rest without help pls
x + 5 = 2
Answers
Answer:
-3
Step-by-step explanation:
move the constant to the other side and get
X = 2 - 5
and X = -3
so you would do
-3 + 5 and you would get 2
Solve the equation. 3/4(x-12)=3 –12 9 16 20
Answers
Answer:
x = 16Step-by-step explanation:
³/₄(x - 12) = 3 {multiply both sides by ⁴/₃}
x - 12 = 4 {add 12 to both sides}
x = 16
Differentiate
\( \frac{ {x}^{3} + 2x ^{2} }{x} \)
with respect to their variable.
Answers
Answer:
2x + 2
Step-by-step explanation:
Given
\(\frac{x^3+2x^2}{x}\) ( divide each term on the numerator by x )
= x² + 2x
Differentiate each term using the power rule
\(\frac{d}{dx}\) (a\(x^{n}\) ) = na\(x^{n-1}\) , then
\(\frac{d}{dx}\) (x² + 2x ) = 2x + 2
An electrician has 3 7/10 cm of wire. He needs only 2 5/8 cm
of wire for a job. How much wire does he need to cut?
Answers
Answer:
The answer can either be 2 5/8 cm in terms of grammar but because it is a mathematics question you will have to subtract the fractions giving us 1 3/40 cm
Step-by-step explanation:
3 7/10 - 2 5/8
subtract the whole numbers and find the LCM of the fractions which is 40
=1 (( 28-25)/40)
=1 3/40cm
Mr. Worthington thinks that 3 + 5 is a binomial. What
would you tell him?
I
Answers
Answer:
3 + 5 = 8 which is a monomial
Step-by-step explanation:
a binomial has 2 terms; example, 3y + 5
Is 82 inches grater than 5feet and 10 inches
Answers
Answer:
False, 82 inches is not greater than 5 feet and 10 inches
Step-by-step explanation:
1 feet = 12 inches
5x12=60+10=70
82 is greater than 70.
whats x +y - 8 please help me
Answers
Answer:
...
Step-by-step explanation:
You need to give us the value of x and y. This question is indeterminable.
how to find the maximum height of a quadratic equation
Answers
the maximum height of a quadratic equation can be find Use the formula: x = -b / (2a) then Substitute the value of x back into the quadratic equation to find the corresponding maximum height.
To find the maximum height of a quadratic equation, you need to determine the vertex of the parabolic curve. The vertex represents the highest or lowest point of the quadratic function, depending on whether it opens upward or downward.
A quadratic equation is generally written in the form of y = ax² + bx + c, where "a," "b," and "c" are coefficients.
The x-coordinate of the vertex can be found using the formula: x = -b / (2a). This formula gives you the line of symmetry of the parabola.
Once you have the x-coordinate of the vertex, substitute it back into the original equation to find the corresponding y-coordinate.
The resulting y-coordinate represents the maximum height (if the parabola opens downward) or the minimum height (if the parabola opens upward) of the quadratic equation.
Here's an example:
Consider the quadratic equation y = 2x² - 4x + 3.
1. Identify the coefficients:
a = 2
b = -4
c = 3
2. Find the x-coordinate of the vertex:
x = -(-4) / (2 * 2) = 4 / 4 = 1
3. Substitute x = 1 back into the equation to find the y-coordinate:
y = 2(1)² - 4(1) + 3 = 2 - 4 + 3 = 1
Therefore, the maximum height of the quadratic equation y = 2x² - 4x + 3 is 1.
Learn more about quadratic equation here
https://brainly.com/question/30098550
#SPJ4
The maximum height of a quadratic equation can be found by determining the vertex of the parabolic shape represented by the equation. The x-coordinate of the vertex can be found using the formula x = -b / (2a), and the corresponding y-coordinate represents the maximum height.
To find the maximum height of a quadratic equation, we need to determine the vertex of the parabolic shape represented by the equation. The vertex is the point where the parabola reaches its highest or lowest point.
The general form of a quadratic equation is ax^2 + bx + c, where a, b, and c are constants. To find the x-coordinate of the vertex, we can use the formula x = -b / (2a).
Once we have the x-coordinate, we can substitute it back into the equation to find the corresponding y-coordinate, which represents the maximum or minimum height of the quadratic equation.
Let's take an example to illustrate this process:
Suppose we have the quadratic equation y = 2x^2 + 3x + 1. To find the maximum height, we first need to find the x-coordinate of the vertex.
Using the formula x = -b / (2a), we can substitute the values from our equation: x = -(3) / (2 * 2) = -3/4.
Now, we substitute this x-coordinate back into the equation to find the y-coordinate: y = 2(-3/4)^2 + 3(-3/4) + 1 = 2(9/16) - 9/4 + 1 = 9/8 - 9/4 + 1 = 9/8 - 18/8 + 8/8 = -1/8.
Therefore, the maximum height of the quadratic equation y = 2x^2 + 3x + 1 is -1/8.
Learn more:About maximum height here:
https://brainly.com/question/29081143
#SPJ11
. Graph f(x) = 6x + 2 and g(x) = 6x - 4. Then describe the transformation from the graph of f(x) to the graph of g(x). у 6. 5. 4. 3. 2 . 0 1 A -3 -2 -1 3 2 -i - 5 4 5 6 -3 ### 5. -6
Answers
Answer:
.Graph f(x) = 6x + 2 and g(x) = 6x - 4. Then describe the transformation from the graph of f(x) to the graph of g(x). у 6. 5. 4. 3. 2 . 0 1 A -3 -2 -1 3 2 -i - 5 4 5 6 -3 ### 5. -6
Step-by-step explanation:
.Graph f(x) = 6x + 2 and g(x) = 6x - 4. Then describe the transformation from the graph of f(x) to the graph of g(x). у 6. 5. 4. 3. 2 . 0 1 A -3 -2 -1 3 2 -i - 5 4 5 6 -3 ### 5. -6
The transformation from the graph of f(x) to the graph of g(x) is a vertical shift down by 6 units
The functions are given as:
\(f(x) = 6x + 2\)
\(g(x) = 6x - 4\)
Subtract function f(x) from g(x),
\(k = g(x) - f(x)\)
This gives
\(k = 6x - 4 - 6x - 2\)
Collect like terms
\(k = 6x- 6x - 4 - 2\)
\(k = -6\)
The above represents the unit of translation of function f(x) to g(x).
Hence, the transformation from the graph of f(x) to the graph of g(x) is a vertical shift down by 6 units
Read more about function transformation at:
https://brainly.com/question/1548871
(three power zero times two power negative two)power negative two
Answers
Answer: 16
Step by Step Explanation:
3 to the power of Zero=1
2 to the power of -2 is 0.25
1 times 0.25 is 0.25
0.25 to the power of negative 0 is 16
Find a formula for g'(x) and determine the slope g'(-4) for the following function.g(x)=e^x/(-5e^x-6)
Answers
The formula for g'(x), the derivative of g(x), is:
g'(x) = (\(e^{x}\) × (-5\(e^{x}\) - 6) - \(e^{x}\) ×(-5\(e^{x}\))) / (-5\(e^{x}\) - 6)²
To find the slope g'(-4), substitute x = -4 into the derivative formula:
g'(-4) = (\(e^{-4}\) × (-5\(e^{-4}\) - 6) - \(e^{-4}\) × (-5\(e^{-4}\))) / (-5\(e^{-4}\) - 6)²
The resulting expression can be further simplified, but it is not necessary to obtain the numerical value of the slope.
Find the slope?To find the derivative g'(x) of the function g(x), we use the quotient rule. The quotient rule states that if we have a function in form f(x)/h(x), the derivative is given by (f'(x) * h(x) - f(x) * h'(x)) / [h(x)]².
In this case, f(x) = \(e^{x}\) and h(x) = -5\(e^{x}\) - 6. By applying the quotient rule and simplifying the expression, we obtain the formula for g'(x).
To find the slope g'(-4), we substitute x = -4 into the derivative formula and evaluate the expression, obtaining the numerical value of the slope at that point.
Hence, the formula for g'(x), the derivative of g(x), is: g'(x) = (\(e^{x}\) * (-5\(e^{x}\) - 6) - \(e^{x}\) * (-5\(e^{x}\))) / (-5\(e^{x}\) - 6)²
To know more about slope, refer here:
https://brainly.com/question/3605446#
#SPJ4