Explore BrainMass

# Correlation - Amount Spent on Food and Family Size

This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

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 on food per week.

See attached for table

a. Compute the coefficient of correlation.
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 .05 significance level.

https://brainmass.com/statistics/correlation/correlation-192929

#### Solution Preview

a. Compute the coefficient of correlation.
r = 0.589

b. Determine the coefficient of determination.
r2 = 0.347

c. Can we conclude that there is a positive association between the amount spent on food and the family ...

#### Solution Summary

The relationship between the amount spent per weeks on food and the size of the family is examined. Correlation is given for 10 samples.

\$2.19