# Question: Three Statistics classes all took the same test Here are

Three Statistics classes all took the same test. Here are histograms of the scores for each class.

a) Which class had the highest mean score?

b) Which class had the highest median score?

c) For which class are the mean and median most different? Which is higher? Why?

d) Which class had the smallest standard deviation?

e) Which class had the smallest IQR?

a) Which class had the highest mean score?

b) Which class had the highest median score?

c) For which class are the mean and median most different? Which is higher? Why?

d) Which class had the smallest standard deviation?

e) Which class had the smallest IQR?

**View Solution:**## Answer to relevant Questions

Look again at the histograms of test scores for the three Statistics classes in Exercise 57. a) Overall, which class do you think performed better on the test? Why? b) How would you describe the shape of each ...For each CEO, a code is listed that corresponds to the industry of the CEO’s company. Here are a few of the codes and the industries to which they correspond: A recently hired investment analyst has been assigned to ...For the data in Exercise 1: a) Find the quartiles using your calculator. b) Find the quartiles using Tukey’s method (page 58). c) Find the IQR using the quartiles from part b. d) Find the standard deviation. Here is a histogram of the monthly CPI as reported by the Bureau of Labor Statistics (ftp://ftp.bls.gov/pub/special.requests/cpi/cpiai.txt) from 2008 through 2012: Here is the time series plot for the same data. a) What ...For the bookstore sales data in Exercise 1, the correlation of number of sales people and sales is 0.965. a) If the number of people working is 2 standard deviations above the mean, how many standard deviations above or ...Post your question