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Standard Deviations and Variables

(a) Find the following for variables A and B: mean, median, mode and standard deviation.

(b) Create a histogram for variables A and B and create a scattergram between variables A and B

(c) Compute the coefficient correlation between variables A and B

Variable A: Variable B:
Attitude toward Achievement on test
Descriptive statistics of knowledge of
Subject (1 = low and 20 = high) descriptive statistics
Sam 12 80
Sally 10 60
Frank 19 85
Bob 8 65
Colleen 2 55
Isaiah 15 75
Felix 1 95
Dan 20 82
Robert 6 70
Jim 11 88
Michelle 3 59
Jan 7 60

Solution Summary

The mean, medium, mode, standard deviation, and coefficient correlation are calculated. A histogram is provided as well.

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