THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 18

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A dependent random sample from two normally distributed populations gives the following results:
n = 20,
= 26.5,s₂ = 3.2
-The confidence interval for the difference between two population means that are normally distributed where the population variances are unknown but assumed to be equal rely on:

• A)the Satterthwaite's approximation.
• B)the pooled sample variance.
• C)the estimated sample variance.
• D)the average sample variance.

---

Definitions:

First Impressions

Initial judgments and perceptions formed about an individual upon meeting, which significantly influence future interactions.

Asch

Refers to Solomon Asch, a psychologist known for conducting experiments on conformity, demonstrating how social pressure can influence individual judgment.

Cognition

The cognitive activity of gaining information and comprehension via thinking, experiencing, and sensory perception.

Thought

The mental process of considering, reasoning, or remembering; encompasses all aspects of conscious intellect and reflection.