Suppose That You Want to Perform a Hypothesis Test to Compare

question 47

Multiple Choice

Suppose that you want to perform a hypothesis test to compare the means of two populations using independent simple random samples. In which of the situations below is it reasonable to use The Mann-Whitney test?

• A)The distributions of the variable are not normal, and they do not have the same shape.
• B)The distributions of the variable are not normal, and they have the same shape.
• C)The distributions of the variable are normal, and the population standard deviations are not equal.
• D)A and B

---

Definitions:

Monopolistic Competitor

A firm operating in a market with many competitors but differentiating its product or services from others, thus having some degree of market power.

Price Discrimination

A strategy where a company sells the same product at different prices to different customers, not based on costs but typically on willingness or ability to pay.

Monopolistically Competitive Industry

An industry characterized by many firms offering products that are similar but not perfect substitutes, leading to competitive markets where companies compete on product differentiation, prices, and marketing.

Demand Curve

A graphical representation showing the relationship between the price of a good and the quantity of that good demanded by consumers.