Which of the Following Statements About One-Way Analysis of Variance

question 10

Multiple Choice

Which of the following statements about one-way analysis of variance is/are TRUE?

• A)When the null hypothesis that the means are all the same is rejected using the ANOVA,we can then conclude that all the means are different from one another.
• B)Once the data obtained from an experiment have been analyzed using the ANOVA,we can then develop questions suggested from the analysis about some of the means that can be tested using contrasts.
• C)Multiple-comparison procedures can be useful for determining which pairs of population means differ significantly.
• D)The square of the two-sample t statistic for comparing the means of two populations is always equal to the ANOVA F statistic.
• E)The only crucial assumption that must be made for the one-way analysis of variance is that the data follow the F distribution.

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Definitions:

Market Price

The current price at which a good or service can be bought or sold, determined by the balance of supply and demand in the market.

Consumer Surplus

The differential in the total price consumers are interested and capable of paying for a product or service and the actual price paid.

Producer Surplus

The gap between the price sellers are ready to accept for a good and the actual price obtained.

Deadweight Loss

The loss of economic efficiency that occurs when the equilibrium for a good or a service is not achieved, leading to an underproduction or overproduction of that good or service.