Suppose That Runner Height (In Inches)and Finish Time in a 5k

question 28

Essay

Suppose that runner height (in inches)and finish time in a 5k (in seconds)have a linear association as evidenced by a scatterplot showing a roughly linear pattern, explain the purpose of finding the equation for the regression line that will relate runner height and finish time. What are the limitations of the regression line? Explain the meaning of the slope and intercept of such a model?

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Definitions:

Annual Family Income

The total amount of money earned by all members of a family within one year.

Income Distribution

The way in which total income is shared amongst the members of a society, often analyzed to understand the extent of economic inequality.

Before-Tax Income

The total income earned by an individual or corporation before taxes have been deducted.

Welfare Reforms

Changes or amendments to a country’s welfare policy aimed at improving the effectiveness and efficiency of its social security and aid programs.