An Ardent Fan of Television Game Shows Has Observed That

question 39

Essay

An ardent fan of television game shows has observed that, in general, the more educated the contestant, the less money he or she wins. To test her belief, she gathers data about the last eight winners of her favourite game show. She records their winnings in dollars and their years of education and performs a simple linear regression, with the Excel output provided . $$\begin{array} { | c | c | c | } \hline \text { Contestant } & \begin{array} { c } \text { Years of } \\\text { education }\end{array} & \text { Winnings } \\\hline 1 & 11 & 750 \\\hline 2 & 15 & 400 \\\hline 3 & 12 & 600 \\\hline 4 & 16 & 350 \\\hline 5 & 11 & 800 \\\hline 6 & 16 & 300 \\\hline 7 & 13 & 650 \\\hline 8 & 14 & 400 \\\hline\end{array}$$ a. Determine the least squares regression line.
b. Interpret the value of the slope of the regression line.
c. Determine the standard error of estimate, and describe what this statistic tells you about the regression line.
d. Interpret the coefficient of correlation

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Definitions:

Time

The indefinite continued progress of existence and events in the past, present, and future, regarded as a whole.

Day

A unit of time equal to 24 hours, typically from midnight to midnight, used as a basic measure of time in daily life and various calculations.

Consumer Is King

A business philosophy emphasizing the importance of understanding and satisfying the needs and preferences of consumers to ensure success.

Era

A distinct period of history marked by notable events, characteristics, or developments.