The Following Frequency Distribution Analyzes the Scores on a Math

question 49

Multiple Choice

The following frequency distribution analyzes the scores on a math test. Find the class boundaries of scores interval 95-99. $$\begin{array} { c c } \hline \text { Scores } & \text { Number of students } \\\hline 40 - 59 & 2 \\60 - 75 & 4 \\76 - 82 & 6 \\83 - 94 & 15 \\95 - 99 & 5 \\\hline\end{array}$$

• A) 94.5, 99.5
• B) 94.5, 100.5
• C) 95.5, 100.5
• D) 95.5, 99.5

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Definitions:

Correlation Coefficient

A numerical index that reflects the relationship between two variables, specifically how the value of one variable changes when the value of the other variable changes.

Prediction Error

The difference between observed values and the values predicted by a model, used as a metric to evaluate the accuracy of predictions.

Absolute Value

The non-negative value of a number disregarding its sign; representing its distance from zero on the number line.

Criterion Variable

The dependent variable that is predicted or explained by independent variables in a study.