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2. a) A research study on anorexic girls was done to see the effect that cognitive behavioral therapy has on weight gain. Provide a statistical report in the format shown in the Write-up for One Mean found on Canvas that analyzes the effect that cognitive behavioral therapy has on weight gain for anorexic girls. Base your analysis on the data found on the file named anorexic.sav found on Canvas Data Files b) In planning the study, how many girls should the researcher need to test in order to have an 85% power of detecting a true small effect size? Include the appropriate GPower output screen shot. c) If the researcher only has a budget to support having 26 girls in the study, what is the power of the test in being able to detect a true small effect size? Include the appropriate GPower output screen shot. OMS Ide var var var 1 wt_gain 1.7 .7 2 3 Scoring Merge M E Data File 2 Define Va 4 5 Use Varia 6 7 8 -7 -3.5 14.9 3.5 17.1 -7.6 -1.6 7.0 6.1 Show All Spelling Run Scrip 9 10 11 Production 12 Map Conve 13 1.1 14 15 16 17 18 19 20 21 22 23 24 25 4.0 20.9 9.1 2.1 -1.4 1.4 - 3 -3.7 -8 120 6.0 88 Data View Variable View anorexic (3).sav (Data.. Output (Document.. Type here to search Data Transform Eile Edit View var var var var var var wt gain 3 -1 4 5 6 7 8 9 - 7 3.5 14.9 3.5 17.1 -7.6 -1.6 10 11 7.0 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 6.1 1.1 4.0 20.9 9.1 2.1 -14 1.4 - 3 3.7 -B 120 6.0 8.8 4.2 Date View Variatile View anore Data Output Document Type here to search RE Esc /11 * F2 13 F4 FS @ $ %