Regression Analysis Was Applied Between Sales Data (Y in $1000s)

question 77

Multiple Choice

Regression analysis was applied between sales data (y in $1000s) and advertising data (x in $100s) and the following information was obtained. ​ = 12 + 1.8x
​
N = 17
SSR = 225
SSE = 75
Sb₁ = .2683
The critical t value for testing the significance of the slope, at a .05 level of significance, is

• A) 1.753.
• B) 2.131.
• C) 1.746.
• D) 2.120.

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Definitions:

Multiple Regression Model

A statistical technique that predicts the outcome of a response variable based on multiple explanatory variables.

Units

Basic quantities or items in measurement or statistics that are counted or measured in a dataset.

Multiple Regression Model

A technique in statistics used to determine how a dependent variable is influenced by two or more independent variables.