The hours, xi , that Peg worked for each of the last 15 weeks are shown in the table at
Chapter 15, Problem 7(choose chapter or problem)
The hours, xi , that Peg worked for each of the last 15 weeks are shown in the table at the right. Show your work. In a through h, you are not allowed to use the menu of the calculator. a. Find the mean. b. Find the median. c. Find the mode. d. What is the range? e. What are the first and third quartiles? f. What is the interquartile range? g. Find the variance. h. Find the standard deviation. i. Use the menu on a calculator and compare the values given with those found in a, b, e, and h.
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