62. Americans Dining Out. Americans tend to dine out multiple times per week. The num- ber of times a sample of 20 families dined out last week provides the following data. 30 31 3 61 5 3 7 4 1 24 4105631 a. Compute the mean and median. b. Compute the first and third quartiles. c. Compute the range and interquartile range. d. Compute the variance and standard deviation. e. The skewness measure for these data is .34. Comment on the shape of this distribu- tion. Is it the shape you would expect? Why or why not? f. Do the data contain outliers?
62. Americans Dining Out. Americans tend to dine out multiple times per week. The num- ber of times a sample of 20 families dined out last week provides the following data. 30 31 3 61 5 3 7 4 1 24 4105631 a. Compute the mean and median. b. Compute the first and third quartiles. c. Compute the range and interquartile range. d. Compute the variance and standard deviation. e. The skewness measure for these data is .34. Comment on the shape of this distribu- tion. Is it the shape you would expect? Why or why not? f. Do the data contain outliers?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.3: Special Probability Density Functions
Problem 7E
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