If the Correlation Coefficient (R)= 1.00,then

question 67

Multiple Choice

If the correlation coefficient (r) = 1.00,then

• A) there is no unexplained variation.
• B) there is no explained variation.
• C) the explained variation equals the unexplained variation.
• D) the Y-intercept (b₀) must equal 0.

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Definitions:

PHStat

An Excel add-in program that enhances the analytical capabilities of Excel, making it easier to perform statistical analysis.

Standard Deviation

A measure of the amount of variation or dispersion in a set of values; higher values indicate greater variability.

Index Funds

Index funds are a type of mutual fund or ETF with a portfolio constructed to match or track the components of a financial market index, such as the S&P 500.

PHStat

A software add-in for Microsoft Excel that enhances the statistical functions of Excel, commonly used for statistical analysis and education.