The Data Below Represent the Numbers of Absences and the Final

question 47

Essay

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

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Definitions:

Supply and Demand Curves

Graphical representations in economics that illustrate the relationship between the supply of goods and services and their prices in the market.