Demi Converted Scores from a Customer Service Questionnaire to Z

question 75

Multiple Choice

Demi converted scores from a customer service questionnaire to z scores, and some of them are negative.She is trying to use a z table but is confused because there are no negative z scores in the tables.What should she do?

• A) Use the positive value because the normal curve is symmetric.
• B) Square the negative z-score value so that it becomes positive.
• C) Add 1.0 to the negative z-score value so that it becomes positive.
• D) Use 0 as the value for the z score.

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Definitions:

Demand Curve

A diagram illustrating the link between the cost of an item and the desired quantity by buyers.

Purely Competitive Firm

A company operating in a market where there are many buyers and sellers, the products are homogenous, and there is free entry and exit in the market.

Average Revenue

The revenue per unit of output sold, calculated by dividing total revenue by the number of units sold.

Marginal Revenue

The additional revenue that is gained from selling one more unit of a good or service.