Question: SPSS. Computation and Interpretation (Basic Statistics):

The Whitewater Trucking Company delivers freight in and about Southeast Wisconsin. The number of tons of freight Whitewater Trucking Company has delivered the past 24 days is shown in the following table. [You should employ SPSS to solve this problem or only 70% partial credits will be given]

a. Please summarize the data using the usual statistical measures for location (i.e., mean and median)

b. Please summarize the data using the usual statistical measures for variability (i.e., sample standard deviation and sample variance)

c. Please report the standard error of the mean and illustrate its relationship with the sample standard deviation (you may check the Buzzword PPS for hints;)

Table I. Whitewater Freight Delivered in Tons (24 Days)

45 39 41 46 44 44 41 43

40 40 43 37 46 46 46 43

44 37 43 35 48 48 46 44

You may want to double check the accuracy of your data entry effect. After all, we should try our best to avoid the GIGO (Garbage In, Garbage Out) effect.