In the Linear Model $Y = a + b X + c Z$

question 1

Multiple Choice

In the linear model $Y = a + b X + c Z$ , a test of the hypothesis that parameter c equals zero is

• A) an F-test.
• B) an R²-test.
• C) a zero-statistic.
• D) a t-test.
• E) a Z-test.

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