Exhibit 16-1 In a Regression Analysis Involving 25 Observations, the Following Estimated

question 61

Multiple Choice

Exhibit 16-1
In a regression analysis involving 25 observations, the following estimated regression equation was developed. Also, the following standard errors and the sum of squares were obtained.
S_b1 = 3
S_b2 = 6
S_b3 = 7
SST = 4,800
SSE = 1,296
-Refer to Exhibit 16-1. The test statistic for testing the significance of the model is

• A)0.730
• B)18.926
• C)3.703
• D)1.369

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Definitions:

One-tailed

A type of statistical test that predicts the direction of the expected difference or relationship.

Two-tailed

A test in statistics where the critical area of a distribution is two-sided and tests whether a sample is greater than or less than a certain range of values.

Zero-tailed

Refers to a type of hypothesis test in statistics where the area of interest is on one extreme end of the distribution curve, indicating whether a sample mean is either significantly higher or lower than the population mean.

Random Assignment

The use of random selection to assign research participants to experimental groups.