1.) The number of credits being taken by a sample of 12 full-time college students are listed below. Find the mean, median, and mode of the data, if possible.

11 12 12 9 8 8 8 10 8 8 9 6

2.) The ages (in years) of a random sample of elementary school kids are shown. Determine the range, variance, and standard deviation of the sample data set.

6 8 7 9 6 5

3.) A modified boxplot is a boxplot that uses symbols to identify outliers. The horizontal line of a modified boxplot extends as far as the minimum data entry that is not an outlier and the maximum data entry that is not an outlier. (a) Identify any outliers and (b) draw a modified boxplot that represents the data set. Use a cross (times ×) to plot any outliers.

52

9

39

51

58

54

95

88

62

30

45

61

48

63

78

37

43

91

Identify any possible outliers.

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