A Recent Statistics Exam Yielded the Following 25 Scores

question 2

Multiple Choice

A recent statistics exam yielded the following 25 scores. Construct a grouped frequency distribution with the class limits shown below.
61 90 79 57 63
55 83 70 62 95
90 83 41 72 85
76 82 75 94 57
72 72 46 81 93

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Definitions:

Residual

The difference between an observed value and the predicted value in a statistical model.

Observed Value

The actual value measured or recorded during an experiment or observation.

Residual Plot

Graphical representation of the residuals that can be used to determine whether the assumptions made about the regression model appear to be valid.

Regression Model

A statistical model that estimates the relationship between a dependent variable and one or more independent variables, often used for prediction and forecasting.