Concept explainers
8. The unemployment rate and the amount of emergency food assistance (food made available to hunger relief organizations such as food banks and soup kitchens) provided by the federal government in the United States in certain years are given in Figure
Year | Unemployment Rate |
Emergency Food Assistance (in millions) |
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Figure
Sources: Bureau of Labor Statistics (U.S. Department of Labor); Food and Nutrition Services (U.S. Department of Agriculture)
a. Letting
b. Find the line of best fit.
c. Predict the amount of emergency food assistance when the unemployment rate is
d. Predict the unemployment rate when the amount of emergency food assistance is
e. Find the coefficient of
f. Are the prediction in parts (c) and (d) reliable? Why or why not?
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EBK MATHEMATICS: A PRACTICAL ODYSSEY