Determination-test for correlation coefficient

Reference no: EM1395274

What is the relationship between the amount spent per week on food and the size of the family? Do larger families spend more on food? A sample of 10 families in the Chicago area revealed the following figures for family size and the amount spent of food per week.

Family Size Amount Spent

3 $99

6 $104

5 $151

6 $129

6 $142

Family Size Amount Spent

3 $111

4 $74

4 $91

5 $119

3 $91

a. Compute the coefficient of correlation.

b. Determine the coefficient of determination.

c. Can we conclude that there is a postive association between the amount spent on food and the family size? Use the .05 significance level

Reference no: EM1395274

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