Exhibit 12-4
Regression Analysis Was Applied Between Sales Data Y $\hat { Y }$

question 82

Multiple Choice

Exhibit 12-4
Regression analysis was applied between sales data Y in $1,000s) and advertising data x in $100s) and the following information was obtained.
= 12 + 1.8 x
$\hat { Y }$ n = 17
SSR = 225
SSE = 75
Sb₁ = 0.2683
-Refer to Exhibit 12-4. The t statistic for testing the significance of the slope is

• A) 1.80
• B) 1.96
• C) 6.708
• D) 0.555

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Definitions:

Algorithms

Step-by-step procedures or formulas for solving problems, often used in mathematics and computer science.

Mental Sets

The tendency to approach problems in a certain way due to past experiences, even when a different approach might be more productive.

Heuristics

Heuristics are cognitive shortcuts or rules of thumb that simplify decision making, often used when facing complex problems or incomplete information.

Algorithms

A set of rules or instructions typically used in computer programming and mathematics to perform calculations or problem-solving operations.