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Correlation and Regression

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A researcher wishes to determine the relationship between the number of cows (in thousands) in countries in southwestern Pennsylvania and the milk production (in millions of pounds). The data are shown. Describe the relationship

Cows x 70 3 194 12 46 65
Pounds y 115 5 289 15 72 92

(a) find the values of the correlation coefficient and the coefficient of determination.
(b) find the slope, y-intercept, and equation of the regression line for the data.
(c) plot the points and a graph of the regression line on the same axes.

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A researcher wishes to determine the relationship between the number of cows (in thousands) in countries in southwestern Pennsylvania and the milk production (in millions of pounds). The data are shown. Describe the relationship

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A researcher wishes to determine the relationship between the number of cows (in thousands) in countries in southwestern Pennsylvania and the milk production (in millions of pounds). The data are shown. Describe the relationship

Cows x 70 3 194 12 46 65
Pounds y 115 5 289 15 72 92

(a) find the values of the correlation coefficient and the coefficient of determination.
Solution:
Correlation ...

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Edwin Sinclar, MBA
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  • MBA, Aspen University
  • Bachelor of Science , Berea College
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