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 https://www.uvm.edu/~dhowell/fundamentals8/DataFiles/MentalRotation.dat (A file with the “.sav” extension is the SPSS file itself, and you can load that file if you want to use SPSS.)
Answer to relevant QuestionsGiven the following data: (a) Draw a boxplot. (b) Calculate the standard deviation of these data and divide every score by the standard deviation. (c) Draw a boxplot for the data in (b). (d) Compare the two boxplots. Compare the mean, standard deviation, and variance for the data in Exercise 5.1 with their trimmed and Winsorized counterparts. The data in Exercise 5.1 Given the data you created in Exercise 5.6, show that multiplying or dividing by a constant multiplies or divides the standard deviation by that constant. How does this relate to what happens to the mean under similar ...We have referred several times to data on reaction times in a mental rotation task. These data can be found on this book’s website as Ex6–14.dat. Using SPSS, or a similar program, read in the data and plot a histogram of ...Most of you have had experience with exam scores that were rescaled so that the instructor could “grade on a curve.” Assume that a large Psychology 1 class has just taken an exam with 300 four-choice multiple-choice ...
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