A Multiple Regression Model Involves 5 Independent Variables and a Sample

question 91

Multiple Choice

A multiple regression model involves 5 independent variables and a sample of 10 data points.If we want to test the validity of the model at the 5% significance level,the critical value is:

• A)6.26
• B)3.33
• C)9.36
• D)4.24

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Definitions:

Pooled Variance

A weighted average of variances from multiple samples, often used in statistical procedures to estimate a common variance.

Test Statistic

A value calculated from sample data during a hypothesis test that is used to determine whether to reject the null hypothesis.

Sample Size

The number of individuals or observations included in a sample, which represents part of a larger population for the purpose of conducting statistical analysis.

ΣD

Symbolizes the sum of differences, often used in statistical formulas to denote the aggregate of specific differences.