# Mean, Median, Mode, & Standard Deviation

See the attached file.

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

https://brainmass.com/statistics/quantative-analysis-of-data/mean-median-mode-standard-deviation-189719

#### Solution Summary

The mean, median, mode and standard deviation for standard test scores in different subjects is analyzed.