Estimate the Correlation from the Following Data $\begin{array}{ll}X & Y \\10 & 30 \\2 & 50 \\6 & 40 \\4 & 45 \\8 & 35\end{array}$

question 24

Multiple Choice

Estimate the correlation from the following data. Do not calculate the Pearson product-moment correlation coefficient. $\begin{array}{ll}X & Y \\10 & 30 \\2 & 50 \\6 & 40 \\4 & 45 \\8 & 35\end{array}$

• A) .00
• B) 1.00
• C) -.70
• D) -1.00
• E) It is curvilinear.

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Definitions:

Numerical Coefficient

A number that multiplies a variable in an algebraic expression, representing the variable's rate of change.

Algebraic Expression

A mathematical phrase that can include numbers, variables, and operation symbols but does not contain an equality sign.

Simplify

To make something easier to understand or do by reducing its complexity.

Collect Like Terms

The process of combining terms in an algebraic expression that have the same variables raised to the same power.