A Large Department Store Examined a Sample of the 18

question 26

Multiple Choice

A large department store examined a sample of the 18 credit card sales and recorded the amounts charged for each of three types of credit cards: MasterCard, Visa and American Express. Six MasterCard sales, seven Visa and five American Express sales were recorded. The store used ANOVA to test if the mean sales for each credit card were equal. What are the degrees of freedom for the F statistic?

• A) 18 in the numerator, 3 in the denominator.
• B) 3 in the numerator, 18 in the denominator.
• C) 2 in the numerator, 15 in the denominator.
• D) 0 in the numerator, 15 in the denominator.

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Definitions:

Duplex Mind

The concept that the human mind operates on two levels: a conscious, rational level and an unconscious, automatic level, affecting human behavior and cognition.

Narcissistic People

Individuals who have an inflated sense of their own importance and a deep need for excessive attention and admiration.

Self-Handicapping

The strategy of preemptively creating obstacles or excuses for potential failure, thereby protecting one's self-esteem.

Personal Lack

A perceived deficiency in oneself, often in comparison to others or with respect to personal goals.