Mean, Median, Mode, & Standard Deviation
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Problems:
1. Find the mean, median and mode of each column.
2. Find the standard deviation of the sample and the population
3. How much of the math grade can be explained by the PE grade? (regression/correlation)
Data for Practice Problems
Standard Test Scores
Name Gender Absences PE Math Writing Reading
Alex Boy 5 49 85 86 80
Anthony Boy 18 51 39 71 75
Douglas Boy 1 82 74 78 79
Jorge Boy 4 56 66 68 60
Joshua Boy 5 83 79 78 77
Luke Boy 0 94 89 84 84
Robert Boy 17 36 36 56 50
Rupert Boy 4 24 55 56 52
Seth Boy 0 61 92 89 83
Wayne Boy 1 65 92 96 91
Blair Girl 3 94 59 66 90
Brooke Girl 2 75 35 43 46
Carmen Girl 0 49 91 91 90
Charlita Girl 16 23 49 55 49
Kim Girl 2 71 90 92 95
Li Girl 1 73 98 93 95
Rachel Girl 2 92 87 92 91
Sara Girl 3 33 87 93 94
Sheetal Girl 0 18 100 97 97
Tawayna Girl 14 31 65 55 63
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Solution Summary
The mean, median, mode and standard deviation for standard test scores in different subjects is analyzed.
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