Liu et al. (2015) recently reported the results of a study examining whether happy people live longer.
Question:
Liu et al. (2015) recently reported the results of a study examining whether happy people live longer.
The study followed a large sample of British women, aged 50 to 69 over a 10-year period. At the beginning of the study the women were asked several questions, including how often they felt happy. After 10 years, roughly 4% of the women had died. The following table shows a frequency distribution similar to the results obtained in the study.
Lived Died Happy Most of the Time 382 18 400 Unhappy Most of the Time 194 6 200 576 24
a. Do the data indicate a significant relationship between living longer and being happy most of the time? Test with a 5 .05.
b. Compute the phi-coefficient to measure the size of the treatment effect.
Step by Step Answer:
Essentials Of Statistics For The Behavioral Sciences
ISBN: 9781337098120
9th Edition
Authors: Frederick J Gravetter, Larry B. Wallnau, Lori Ann B. Forzano