Psy 315 week 2 practice problems worksheet

Week Two Practice Problems Worksheet

Resource: Statistics for Psychology

Complete the Week Two Practice Problems Worksheet.

Prepare a written response to the following questions.

Chapter 2

12.  For the following scores, find the mean, median, sum of squared deviations, variance, and standard deviation:

1,112; 1,245; 1,361; 1,372; 1,472

16.  A psychologist interested in political behavior measured the square footage of the desks in the official office for four U.S. governors and of four chief executive officers (CEOs) of major U.S. corporations. The figures for the governors were 44, 36, 52, and 40 square feet. The figures for the CEOs were 32, 60, 48, 36 square feet.

a. Figure the means and standard deviations for the governors and CEOs.

b.      Explain, to a person who has never had a course in statistics, what you have done.

c.       Note the ways in which the means and standard deviations differ, and speculate on the possible meaning of these differences, presuming that they are representative of U.S. governors and large corporations’ CEOs in general.


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