The Slope of a Demand Curve Is Almost Always

question 51

Multiple Choice

The slope of a demand curve is almost always

• A)positive, because when people buy more of a good the cost of producing it will rise.
• B)positive, because the more money a person has, the more of a particular good will be bought.
• C)negative, because when people buy more of a good the cost of producing it will fall.
• D)negative, because with everything else equal, the same people will buy more of a good when its price is lower.
• E)positive, because as the price rises, people want to sell more of the good.

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Definitions:

Wilcoxon Rank Sum Test

A nonparametric test that compares two independent groups to assess if their populations have the same distribution.

Wilcoxon Rank Sum Test

This is a method in statistics, not based on parameter assumptions, used for comparing the mean ranks of two distinct samples to see if they differ.

Ordinal

A type of categorical data where the order of the values is significant, but the difference between successive values is not necessarily constant.

Equal-Variances T-Test

A statistical method used to compare the means of two groups under the assumption that the two groups have the same variance.