Researchers3 asked participants to carry a counting device for one week and to record the number of times they thought about food each day. The average of the seven counts is intended to represent a typical day. For 19 males, we have

times per day.
(a) Make a graphical summary, for instance a dot diagram or normal-scores plot, that confirms the long right-hand tail.
(b) Take the one-fourth power, or square root twice, and make the same graphical summary. Comment.
(c) Obtain a 95% confidence for the mean of the fourth root of values.

Transcribed Image Text:

15.9 31.9 12.6 5.4 22.6 3.1 18.9 12.0 11.0 21.9 4.6 57.7 50.7 12.1 8.7 3.3 30.0 21.4 85.4