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

question 106

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 critical t value for testing the significance of the slope at 95% confidence is

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

---

Definitions:

Narcissistic

A personality trait characterized by an excessive preoccupation with self-image and an exaggerated sense of importance and entitlement.

Obsessive-Compulsive

A condition characterized by uncontrollable, recurring thoughts (obsessions) and behaviors (compulsions) that an individual feels the urge to repeat over and over.

Paranoid

Characterized by excessive suspicion and distrust of others without adequate justification.

Diagnosed

The identification of the nature of an illness or other problem by examination of the symptoms.