An online retailer uses the number of website clicks to predict sales revenue for an online hair-replacement (wig) company. The R2 statistic represents?
A. The percentage of variance in the predictor (clicks) variable accounted for by the outcome (sales revenue) variable.
B. The proportion of variance in the outcome variable (sales revenue) accounted for by the predictor variable (clicks).
C. The proportion of variance in the predictor variable (clicks) accounted for by unknown variables.
D. The percentage of variance in the outcome variable (sales revenue) accounted for by unknown variables.
Answer: B
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Fill in the blank(s) with the appropriate word(s).
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a. having a student experience some success in order to increase the effectiveness of the self-statement "increased effort will lead to increased success" b. telling a student that the self-statement will contribute to future success c. telling a student that increased effort leads to success rather than believing that he is not sufficiently trying d. both telling a student that the self-statement will contribute to future success and telling a student that increased effort leads to success rather than believing that he is not sufficiently trying e. all of these choices
Which of the following is the BEST question to promote critical thinking?
A. What Native American tribes lived in our area? B. Why are Native Americans called Native Americans? C. Why do some Native Americans live in longhouses and some in teepees? D. How many Native American tribes lived in North America?