Question 16.22

16.22 Fitness and ego.

Exercise 7.63 describes a study of fitness and personality. In particular, 28 middle-aged college faculty were evenly divided into low-fitness and high-fitness groups. The subjects then took the Cattell Sixteen Personality Factor Questionnaire. The provided data are the measurements of “ego strength.”

ego

  1. Arrange the observations in order and assign ranks. Assign any tied values the average of the ranks they occupy.
  2. What is the rank sum for the high-fitness group?
  3. Perform the significance test at the level, making sure to report the test statistic, and -value. What is your conclusion?