Sadness and spending. A study of sadness and spending

Chapter , Problem 16.80

(choose chapter or problem)

Sadness and spending. A study of sadness and spending randomized subjects to watch videos designed to produce sad or neutral moods. Each subject was given $10, and after watching the video, he or she was asked to trade $0.50 increments of their $10 for an insulated bottle of water. Here are the data: SADNESS Group Purchase price ($) Neutral 0.00 2.00 0.00 1.00 0.50 0.00 0.50 2.00 1.00 0.00 0.00 0.00 0.00 1.00 Sad 3.00 4.00 0.50 1.00 2.50 2.00 1.50 0.00 1.00 1.50 1.50 2.50 4.00 3.00 3.50 1.00 3.50 (a) Use the two-sample t significance test (page 454) to compare the means of the two groups. Summarize your results. (b) Use the pooled two-sample t significance test (page 462) to compare the means of the two groups. Summarize your results. (c) Use a permutation test to compare the two groups. Summarize your results. (d) Discuss the differences among the results you found for parts (a), (b), and (c). Which method do you prefer? Give reasons for your answer.