Write the Word or Phrase That Best Completes Each Statement

question 82

Essay

Write the word or phrase that best completes each statement or answers the question.
Provide an appropriate response.
-The data below represent the numbers of absences and the final grades of 15 randomly selected students from an astronomy class. Construct a scatter diagram for the data. Do you detect a trend?

$\begin{array}{ccc}\text { Student } & \text { Number } & \text { Final Grade } \\\text { of Absences } & \text { as a Percent } \\1 & 5 & 79 \\2 & 6 & 78 \\3 & 2 & 86 \\4 & 12 & 56 \\5 & 9 & 75 \\6 & 5 & 90 \\7 & 8 & 78 \\8 & 15 & 48 \\9 & 0 & 92 \\10 & 1 & 78 \\11 & 9 & 81 \\12 & 3 & 86 \\13 & 10 & 75 \\14 & 3 & 89 \\15 & 11 & 65\end{array}$

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Definitions:

Variance

A measure of how much values in a dataset differ from the mean of the dataset, indicating the spread of data points.

Discrete Probability Distribution

A statistical function that describes the probability of occurrence of each value of a discrete random variable.

Discrete Random Variable

A variable that takes on a countable number of distinct values and is often used to model scenarios where outcomes are distinct and separate.

Discrete Quantitative Variables

Variables that represent countable quantities and can take on a finite number of distinct values.