Lab Week 12 Exercise 23 53 Do The Data Body Fat Xdsx Indicate Linear Association Between Waist Size And Body Fat A F 1 (50.52 KiB) Viewed 48 times
Lab Week 12 Exercise 23 53 Do The Data Body Fat Xdsx Indicate Linear Association Between Waist Size And Body Fat A F 2 (60.46 KiB) Viewed 48 times
Lab Week 12: Exercise 23.53 Do the data Body fat.xdsx indicate linear association between Waist size and %Body Fat? a) Fit a model predicting the %Body Fat from the Waist. Predicted BodyFat V. -62.5573 2.2215 3 Walst b) Test an appropriate hypothesis using 10% level of significance and state your 1.Hypotheses: HB1-0 body fat.) HA 810 body fat.) 2. Test statistic t- [Select] P-value [Select] R²- [Select] 3. Decision rule: ✓(There is no linear relationship between waist size and perce (There is a linear relationship between waist size and percer Since p-value is Select 10% level of significance, therefore we reject Ho The R² suggests that the fit of linear regression model is Select) 4. Conclusion: Based on the sample and at 10% level of significance, there is Select] of a linear relationship between waist size and percent body fat. People with larger waists tend to have [Select percentage of body fat. s) Find a 90% confidence interval for the slope of the repression line 90% CI- Select
Waist(inches) Weight (Pounds) Body Fat (%) 32 175 6 36 181 21 38 200 15 33 159 6 39 196 22 40 192 41 205 173 187 188 188 240 175 168 246 160 215 159 146 219 35 38 38 33 40 36 32 44 33 41 34 34 44 31 32 21 25 30 10 20 22 9 38 10 27 12 10 28
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