An Ardent Fan of Television Game Shows Has Observed That

question 15

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. The results are as follows. $$\begin{array} { | c | c | c | } \hline \text { Contestant } & \begin{array} { c } \text { Years of } \\\text { education }\end{array} & \text { Winnings } \\\hline 1 & 11 & 750 \\\hline 2 & 15 & 400 \\\hline 3 & 12 & 600 \\\hline 4 & 16 & 350 \\\hline 5 & 11 & 800 \\\hline 6 & 16 & 300 \\\hline 7 & 13 & 650 \\\hline 8 & 14 & 400 \\\hline\end{array}$$ Predict with 95% the winnings of all contestants who have 15 years of education.

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Definitions:

Gross Profit Method

This is an accounting technique used to estimate inventory value, calculating gross margin as a percentage of sales to find the cost of goods sold and ending inventory.

Markup on Cost

The percentage added to the cost of goods to cover overhead and profit, calculated by dividing the gross profit by the cost.

Net Sales

The amount of sales generated by a company after deducting returns, allowances for damaged or missing goods, and discounts.