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The least squares regression equation is y 733 3x 13 594 where y is the median income and x is the percentage of 25 years and older with at least a bachelor s degree in the region The scatter diagram indicates a linear relation between the two variables with a correlation coefficient of 0 7833 Complete parts a through d Median Income 55000 20000 15 20 25 30 35 40 45 50 55 60 Bachelor s OA For a median income of 0 the percent of adults with a bachelor s degree is OB For every dollar increase in median income the percent of adults having at least a bachelor s degree is on average C For every percent increase in adults having at least a bachelor s degree the median income increases by 733 3 on average D For 0 of adults having a bachelor s degree the median income is predicted to be Q Q d Explain why it does not make sense to interpret the y intercept Choose the correct answer below OA It does not make sense to interpret the y intercept because a y value of 0 does not make sense OB It does not make sense to interpret the y intercept because an x value of 0 does not make sense OC It does not make sense to interpret the y intercept because an x value of 0 is outside the scope of the model D It does not make sense to interpret the y intercept because a y value of 0 is outside the scope of the model

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