Which of the statement regarding the boxplot below is correct? a. The median is

Question

Which of the statement regarding the boxplot below is correct? a. The median is 4. b. The range is 7. c. The median is 3. d. The upper quartile is 9. e. Both b and c are correct. A scatter plot illustrating the association between a hypothetical Y variable and x variable follows. The main difficulty with using a regression line to analyze these data is: a. the presence of an extreme outlier. b. inappropriately combining groups. c. curvilinear data. d. because the dependent variable is not quantitative. c. None of the above. An energy researcher uses a regression equation to predict home heating bills (dollar cost, ), based on home size (in square feet). The correlation coefficient is determined to be 0.70. What is the correct interpretation of this finding? a. 70% of the variability in home heating bills may be explained by home size. b. 49% of the variability in home heating bills may home explained by home size. c. For each added square foot of home size, heating bills increased by 70 cents. d. For each added square foot of home size, heating bills increased by 49 cents. e. None of the above.

Explanation / Answer

34)option E is correct. as range =8-1=7 and median is 3 is correct

35) the presence of an extreme outlier option A is correct

36)option b is correct

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