Question: 1. A researcher tested whether time of day could predict mood in a sample of 14 college students. If 55 residual = 108, then what is the standard error of estimate in this sample?

2. A health psychologist hypothesizes that students who study more also exercise less because they spend so much time studying. She measures whether the number of hours studying (per week) can predict the number of hours exercising in a sample of 62 students. Complete the following regression table for this hypothetical study and make a decision to retain or reject the null hypothesis

Source of Variation             SS               df                 MS               F_obt

Regression                                                       80

Residual (error)

Total                              1,440