If R = 072,what Proportion of the Variance in Y Is Accounted for Is

question 27

Multiple Choice

If r = 0.72,what proportion of the variance in Y is accounted for by its relationship with X?

• A)0.85
• B)0.72
• C)0.52
• D)Cannot be determined from the information given

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Definitions:

Seasonal Indexes

Numerical values used to adjust data for seasonal effects, allowing comparison across different times of a year by normalizing seasonal variations.

Quarterly Sales

The total income or revenue generated by sales activities in a quarter, often analyzed to assess financial health and performance trends in businesses.

Cyclical Effect

Periodic fluctuations observed in data or economic activity over regular time intervals, often related to business or economic cycles.

Regression Analysis

An analytical technique employed to investigate the correlation between a dependent variable and one or more independent variables.