(e) the explanatory variable be plotted on the horizontal axis.8.Which of these statements about the standard deviationsis true?

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9.The five-number summary of the distribution of scores on the final exam in Psych 001 last semester was18396276100.A total of 416 students took the exam.About how many students had scores above39?

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10. The 5-number summary for a univariate data set is given by{min = 5,1Q= 18, Med = 20,3Q= 40, max = 75}.If you wanted to construct a modified boxplot for thedataset (that is, one that would show outliers, if any existed), what would be the maximum possible lengthof the right side “whisker”?

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11.Which of the following is likely to have a mean that is smaller than the median?(a)The salaries of all National Basketball Association players.(b) Amounts awarded by juries from lawsuit involving injuries.(c ) The prices of homes in a large city.(d) The long distance race in which most runners took a long time but a few finished it rather quickly.(e)The scores of students (out of 100 points) on a very easy exam in which most get nearly perfect scoresbut a few do very poorly.

12. A biologist has gathered data on a population of bears in the forests of the northeast. A frequency polygonplot of the weights of the sample of bears and their sex is given below.Based on the plot, which statementbelow is TRUE?WeightFrequency48040032024016080014121086420FemaleMaleSex of BearWeights of Bears

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