The Data Below Represent the Numbers of Absences and the Final

question 36

Essay

The data below represent the numbers of absences and the final grades of 15 randomly
selected students from a statistics class. Construct a scattergram for the data. Do you detect
a trend? $$\begin{array} { c c c } \text { Student } & \text { Number of Absences } & \text { Final Grade as a Percent } \\1 & 5 & 79 \\2 & 6 & 78 \\3 & 2 & 86 \\4 & 12 & 56 \\5 & 9 & 75 \\6 & 5 & 90 \\7 & 8 & 78 \\8 & 15 & 48 \\9 & 0 & 92 \\10 & 1 & 78 \\11 & 9 & 81 \\12 & 3 & 86 \\13 & 10 & 75 \\14 & 3 & 89 \\15 & 11 & 65\end{array}$$

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Definitions:

Sales

The transactions involving the exchange of goods or services for money, constituting the primary revenue for most businesses.

Price Variance

The difference between the actual cost of a product or service and its standard or expected cost.

Price

The amount of money expected, required, or given in payment for something.

Fixed Budget Performance Reports

Financial reports comparing actual results to a plan that does not change, regardless of the level of activity.