Question

A psychologist noted that people have more difficulty sleeping in a bright room than in a dark room. She measured whether the intensity of the light could predict the Intensity of Light (in watts)Sleep (in minutes) Time It Took to 10 20 40 18 31 35 Compute an analysis of regression for this hypothetical study. (Round your answers to two decimal places.) Source of df MS obt Variation Regression Residual (error) Total Make a decision to retain or reject the null hypothesis. (Assume alpha equal to 0.05.) O Retain the null hypothesis O Reject the null hypothesis. You may need to use the appropriate table in Appendix C to answer this question Additional Materials eBook +1/8 points | Previous Answers PriviteraStats3 16.E.027 A sports psychologist tested whether the number of team wins in the previous season can predict the number of wins in the following season in a sample of 34 teams Source of df MS obt Variation Regression Residual (error) Total 49

Answer 1

E026)

applying regression on above darta:

	df	SS	MS	F
Regression	1	312.26	312.26	9.99
Residual	2	62.49	31.24
Total	3	374.75

E027)

Source	SS	df	MS	F
treatment	49	1	49	8.17
error	192	32	6
total	241	33