Question

PROBLEM 4(25pts) In Mediterranean countries business people often take a nap in the afternoon. While this might be seen as laziness, it turns out that it can have a positive influence of their health; making them actually more productive than American business people. At the American College of Cardiology's 68th Annual Scientific Session that ended on 3/11/19 research results were presented in support of this claim.". For any given person in the study let T- the act of self recording the average nap duration in minutes, for the 30-day study. Of the 200 persons included in the study, there were 100 non-nappers and 100 nappers. Let X=the act of recording the average bp. of a non-napper and Y= the act of recording the average bp,of a napper over the 30-day study. 30-128, compute the 3ơvalue (a)(3pts) It was reported that for Ax- Solution: ,-My-5.3 Assuming that ơ,-5/ 30-091 and ơ,-7/ (b)(4pts) The following prediction model was reported: Y-_37+120. It was also reported that μ,-0.8 and ơ,-04-30-0.073. Show that Ớn®-0.0 16and A,-1 17.6. Solution:

Answer 1

A) ˙冫0.gi Ty z小2. е 0 pineex'y ane inde pendeuf 10. וף 100 -0266s