Math Problem Statement

A data set was graphed using a scatterplot.

The correlation coefficient, r, is 0.845.

Which of the following statements explains how the correlation is affected?

A.)

It is affected by inappropriate grouping.

B.)

It is not affected.

C.)

It is affected by nonlinearity.

D.)

It is affected by an influential point.

Solution

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Math Problem Analysis

Mathematical Concepts

Statistics
Correlation
Scatterplot Analysis
Outliers

Formulas

Correlation coefficient (r) formula

Theorems

Linear relationship theorem
Effect of influential points on correlation

Suitable Grade Level

Grades 10-12