Money and degrees. The 2001 canadian census provides data on a number of variabl

Question

Money and degrees. The 2001 canadian census provides data on a number of variables for each census tract (neighbourhood). For example, we can find the average income and percent with a bachelor's degree for each of the 237 census tracts in Ottawa-Gatineau. A regression to predict average income in dollars from precent with degree has R^2 of 54.2%. The plot of residuals versus predictor indicates that a linear modeal is appropriate.

A) What are the variables and units in this regression?

B) what units does the slope have?

C) Do you think the slope is positive or negative? Explain.

Explanation / Answer

a)independent varaible: % score

dependent variable : average income

b) slope unit =dollars/%score

c)+ve as higher marks relates to higher income

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