An Economist Is Interested in Studying the Incomes of Consumers

question 34

Multiple Choice

An economist is interested in studying the incomes of consumers in a particular region.The population standard deviation is known to be $2,000.A random sample of 50 individuals resulted in an average income of $30,000.
-What is the upper end point in a 99% confidence interval for the average income?

• A) $30,282
• B) $30,1042
• C) $30,728
• D) $30,660

Recognize the implications of main and interaction effects on research outcomes.

Understand the concept and application of factorial ANOVA.

Distinguish between main effects and interaction effects.

Identify when to use factorial ANOVA over simple ANOVA.

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