1. A psychologist tests whether diet and exercise impact weight loss. They are v
ID: 3053748 • Letter: 1
Question
1. A psychologist tests whether diet and exercise impact weight loss. They are very interested in whether the effects dieting depend on exercise. They give four groups (N- 20 per group) a different regimen and measure weight loss in pounds after three months Row Means 1.0 No M- 0, SD 3 -4 SD-4 M-2.SD-5 M-12, SD- 3 7.0 Column Means 2.0 Carry out a factorial ANOVA on this data, using the information from the ANOV A table provided below (you will need to fill in some information). Test the main effect of exercise, e ain etor diet and the inteilin oo ef el.ormation Test he main effect of Step 1: Restate question as a research hypothesis and a null hypothesis about populations. Diet Main Effect: Research hypothesis (H): Tnwewwit toc an impact onOic+. Null hypothesis (Ho): There wil be no impact on Dict. Exercise Main Effect: Research hypothesis (H): Tne Null hypothesis (Ho): There vill? Research hypothesis (H): There nill be an im pacton excreise. no impac+ on excroce. Interaction Effect: (Dictmain effect X exeraise main cffect Research hypothesis (H): There will be an interaction btwn Dict andexercise Null hypothesis Ho): Tnoe will lbe no inttraction btan dict and axcertiseExplanation / Answer
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