The following scores represent the final examination grades for an elementary statistics course: 23 60 79 32 57 74 52 70 82 36 80 77 81 95 41 65 92 85 55 76 52 10 64 75 78 25 80 98 81 67 41 71 83 54 64 72 88 62 74 43 60 78 89 76 84 48 84 90 15 79 34 67 17 82 69 74 63 80 85 61 a) Sort the data and find the largest and smallest values.b) Find the median, upper quartile, ninth decile, and 90th percentile.c) Make a frequency table. Use Sturges’ rule to approximate the number of classes.d) Find the arithmetic mean and mode.e) Find the variance of the data taken as a sample.

The following scores represent the final examination grades for an elementary statistics course: 23 60 79 32 57 74 52 70 82 36 80 77 81 95 41 65 92 85 55 76 52 10 64 75 78 25 80 98 81 67 41 71 83 54...

The following scores represent the final examination grades for an elementary statistics course:

a) Sort the data and find the largest and smallest values.

b) Find the median, upper quartile, ninth decile, and 90th percentile.

c) Make a frequency table. Use Sturges’ rule to approximate the number of classes.

d) Find the arithmetic mean and mode.

e) Find the variance of the data taken as a sample.

May 21, 2022