Question

A new study indicates that yoga may relieve symptoms of chronic pain. The study assigned 96 patients to take either a 12-week yoga class (n1 = 50) or a wellness education class (n2 = 46). The results of the study are as follows:

Numbers of who felt better:yoga = 34 wellness education= 23

1. (a) Using the P-value method with α = 0.1, is there evidence to support the claim that taking a yoga class provides more relief of chronic pain than a wellness education class?

2. (b) Construct a 80% confidence interval on the difference of the proportions. Does this confidence interval come to the same conclusion as your result in part a)?

Answer 1