Use the Formula to Calculate the 90% Confidence Interval

question 53

Multiple Choice

Use the formula to calculate the 90% confidence interval for a sample of N = 12 with a mean = 4.00 and standard error of the mean = .58.

• A) 90% CI = 4.00 ± 1.04
• B) 90% CI = 4.00 ± 1.80
• C) 90% CI = 4.00 ± 2.38
• D) 90% CI = 4.00 ± 1.28

---

Definitions:

Environmental Situation

The physical, social, and psychological context in which consumer behavior occurs, influencing decision-making and purchasing activities.

Unique Psychological Makeup

The distinctive combination of emotional, cognitive, and personality characteristics of an individual.

Personality

The blend of traits and attributes that create a person's unique identity.

Idiocentrics

Individuals who have a strong tendency towards individualism and prioritize their personal goals over the goals of their group or society.