3. Does your confidence interval provide convincing evidence of an increase in flexibility in elderly men? Explain confidence interval using paired t-procedures. Be sure to STATE, PLAN, DO, and...

Extracted text: 3. Does your confidence interval provide convincing evidence of an increase in flexibility in elderly men? Explain confidence interval using paired t-procedures. Be sure to STATE, PLAN, DO, and CONCLUDE. Researchers would like to know if Tai Chi increases flexibility in elderly men. Construct and interpret a 90% 01 2. 4. 1. 01 2. H. 3. 2. Flexibility rating before Tai Chi Flexibility rating after Tai Chi 3. F E. 4. 2. D. took Tai Chi lessons for six months. after flexibility ratings (on a I to 10 scale, 10 being most flexible) for a random sample of 8 men in their 80's who Tai Chi is often recommended as a way to improve balance and flexbility in the elderly. Below are before and- C. A. B. Subject