: What is the frequency corresponding to a score of 2? Quiz Scores

Q: The histogram to the right represents the weights (in pounds) of members of a certain high-school…

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Q: 5 is 35% of what number using a tape diagram?

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Q: n the brackets, how did you know to use the 21 and 20 percentiles?

A: The number of observations, The data set…

Q: Given: Test scores are 59 95 82 78 66 82 65 78 66 66 79 82 66 82. Find the PERCENTILE for the test…

A: We have to percentile for 79 ..

Q: a=12.6, b=13.4, c=23.6, find A, B, C of the trangle

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Q: What's the median of 10.2,12.6,20.4, and 13.6 to 3 decimal places

A: It is an important part of statistics. It is widely used.

Q: weight-loss program, and she had 15 individuals participating in the program. She weighed…

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Q: 95 percent divided .025 what is the z score?

A: The z-score is obtained as given below: PZ≤z=0.025z=ϕ-10.025=-1.96  Using Standard normal table

Q: What is the weighted mean of the numbers 10%, 30%, 60%, 70, 86 and 94

A: The formula of weighted mean is given by…

Q: A Sample of 25 cities have been classified as high or low on their homicide rates and on the number…

A: The formula for chi-square is, χ2=∑fo-fe2fe In the formula fo is the observed frequency, fe is the…

Q: What is the average of  2.0, 32.0, 44.0, 14.5, 7.5 ?

A: For a set of n observations, x1, x2, ... , xn, mean or average is given by, This is measure of…

Q: A person's phone bills for the last three months were $20, $75, and $55, respectively. What was the…

A: given data bills of last 3 months are $20,$75 and $55find mean amount of last 3 month = ?

Q: A student gets 9 out of 15 problems correct on a homework assignment. What percent of the assignment…

A: The objective of this question is to find out the percentage of the assignment that the student got…

Q: ate Kobe was 6'6" (or 78 inches).  Suppose the average height of men is 5'9" (or 69") and SD is 3".…

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Q: Find the 5 number summary for the number of questions correct on a quiz. score 4.1 19.5 20.5 24.1…

A: Please see the below picture for detailed solution.

Q: Part 2 out of 3   b. How many scores are below 90?

A: This question can be solved by the help of stem and leaf plot drawn in part a

Q: The formula for sample proportion is                                  p̂=??p̂=Xn Solve for n.

A: We know that,  The proportion of the sample is  p̂= X/n Then,  We will solve for n = ?

Q: Calculate the SD for these scores:

A: Given that,Sample size To find the standard deviation of the data.

Q: in the highest 2.5 percent eat?  What is the z-score

A: Given that 2.5% of the highest area present in the data. That is, P(Z>z)=2.5%=0.025…

Q: 2. Explain the steps of finding the IQR.

A: 2) The steps to finding the value of IQR is, Step 1: First arrange the data in ascending order Step…

Q: C2. GSS 2014 and GSS 2018 respondents were asked their opinion on whether homosexuals should have…

A: Given information: GSS 2014 and GSS 2018 respondents were asked their opinion on whether…

Q: What is 5% of 360?

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Q: America OnLine published a survey question. Among the 2,300 Internet users who responded, 20%…

A: From the given information, America OnLine published a survey question. Among the 2,300 Internet…

Q: Find the 90th percentile. So 10% of the T

A: Let X be the lifetime of LCD TV sets follows an exponential distribution with a mean of 100,000…