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
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