Question

18. Young millennials, adults aged 18 to 34, are viewed as the future of the restaurant industry. During 2011, this group consumed a mean of 192 restaurant meals per person (NPD Group website, November 7, 2012). Conduct a hypothesis test to determine if the poor economy caused a change in the frequency of consuming restaurant meals by young millennials in 2012. Formulate hypotheses that can be used to determine whether the annual mean number of restaurant meals per person has changed for young millennials in 2012.

Answer 1

To determine if the poor economy caused a change in the frequency of consuming restaurant meals by young millennials in 2012, a hypothesis test can be conducted by comparing the mean number of meals consumed in 2012 to the mean from 2011.

Step-by-step explanation:

To determine if the poor economy caused a change in the frequency of consuming restaurant meals by young millennials in 2012, we can conduct a hypothesis test.

The null hypothesis, denoted as H0, states that there is no change in the mean number of restaurant meals per person for young millennials in 2012.

The alternative hypothesis, denoted as Ha, states that there is a change in the mean number of restaurant meals per person for young millennials in 2012.

We would use statistical data from 2012 to compare the mean number of restaurant meals consumed by young millennials to the mean from 2011 (192 meals per person) to determine if there is a significant change.

Answer 2

`H_0: \bar x =192\\H_a: \bar x \\eq 192`

Step-by-step explanation:

Given that Young millennials, adults aged 18 to 34, are viewed as the future of the restaurant industry. During 2011, this group consumed a mean of 192 restaurant meals per person (NPD Group website, November 7, 2012).

It is claimed that due to poor economy this average might have been subjected to a change.

To test this claim we have to conduct a hypothesis test.

The hypotheses would be with null there is no change against alternate that there is differnce.

`H_0: \bar x =192\\H_a: \bar x \\eq 192`

(Two tailed test)