An Economist Conducted a Hypothesis Test to Test the Claim

question 24

Multiple Choice

An economist conducted a hypothesis test to test the claim that the average cost of eating a meal at home increased from 2009 to 2010. The average cost of eating a meal at home in 2009 was $5.25 per person per meal. Assume that all conditions for testing have been met. He used technology to complete the hypothesis test. Following is his null and alternative hypothesis and the output from his graphing calculator. H₀: µ = $5.25 H_a: µ > $5.25
At the 5% significance level, choose the statement that contains the correct conclusion regarding the hypothesis and the original claim.

• A)Fail to reject the null hypothesis; there is sufficient evidence to support the claim that the average cost of eating at home has increased since 2009.
• B)Reject the null hypothesis; there is sufficient evidence to support the claim that the average cost of eating at home has increased since 2009.
• C)Fail to reject the null hypothesis; there is not sufficient evidence to support the claim that the average cost of eating at home has increased since 2009.
• D)Reject the null hypothesis; there is not sufficient evidence to support the claim that the average cost of eating at home has increased since 2009.

---

Definitions:

Natural Selection

The process by which biological traits become either more or less common in a population as a function of the effect of inherited traits on the differential reproductive success of organisms interacting with their environment.

Group Living

The phenomenon where individuals of a species live closely together in communities or social groups for mutual benefit.

Visual Communication

The conveyance of ideas and information in forms that can be seen, such as signs, typography, drawing, graphic design, illustration, color, and electronic resources.

Fiddler Crabs

Small crabs known for their sexually dimorphic claws, where males have one large claw used for communication and territorial disputes.