If a student in Katz’s study simply responded at random (even without reading the questions), she would be expected to get 20 items correct. How does this compare to the measures we found in Section 4.5? Why should this not surprise you?
Answer to relevant QuestionsPlot the data for each of the three conditions in Table 4.2 and describe the results. Create two sets of scores with equal ranges but different variances. Use SPSS, or other software, to draw a set of boxplots (similar to Figure 5.4b) to illustrate the effect of increase the angle of rotation in the Mental Rotation dataset. The data can be found at ...Use LazStats or MYSTAT to reproduce the means, standard deviations, and other statistics in Exercise 5.19. (MYSTAT will give the most complete results. You will need to work out how to handle missing data, which are ...A dean must distribute salary raises to her faculty for next year. She has decided that the mean raise is to be $2,000, the standard deviation of raises is to be $400, and the distribution is to be normal. She will attempt ...
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