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 revealed the following figures for family size and the amount spent on food per week:

a.?Compute the correlation coefficient.b.?Determine the coefficient of determination.c. Can we conclude that there is a positive association between the amount spent on food and the family size? Use the 0.05 significance level.

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Amount Spent on Food ($) Amount Spent on Food ($) Family Family Size Size 3 $111 $99 74 91 119 91 6 104 151 4 129 3 142