Use LazStats, or MYSTAT, to reproduce display Figure 3.4 as a boxplot instead of back-to-back stem-and-leaf displays. (For instructions on how to enter data into one of these programs by hand, see the relevant Web page on this book’s website.)
Answer to relevant QuestionsAs part of the study described in Exercise 3.1, the experimenters obtained the same kind of data from a smaller group who had read the passage before answering the questions (called the Passage group). Their data follow. a) ...Create a sample of ten numbers that has a mean of 8.6. Notice carefully how you did this—it will help you later to understand the concept of degrees of freedom. In Exercise 4.22 women did not show much difference between Optimists and Pessimists. The first 17 scores in the Optimist group are for men and the first 13 scores in the Pessimist group are for men. What do you find for ...Create two sets of scores with equal ranges but different variances. The following graph came from the JMP statistical package applied to the data in Table 5.3 on length of hospitalization. Notice the boxplot on the top of the figure. How does that boxplot compare with the ones we have been ...
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