STA221H1 Lecture 32: Textbook Exercises 30
20 Mar 2018
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Test whether there is a di erence between mean weight loss for low carb diet and low calories diet. In plain, non-statistical language, what do you conclude? mean weight loss is higher on a low carb diet than a low calories diet. Recall the study in which, 170 college students answered questions about their impression of reality. Tv shows featuring cosmetic surgery, satisfaction with their own body, and their desire to have cosmetic surgery to alter their body. The subjects in this study identi ed themselves as either male or female. The researchers aimed to investigate whether the relationship between one"s level of impression of reality tv and the desire to undergo cosmetic surgery di er for males and females. Therefore, for the purpose of this investigation, consider the following variables information: Response variable: desire level for cosmetic surgery (quantitative) Explanatory variable 1: impression level of reality tv (quantitative)
