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.

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.

(Two tailed test)

the circle graph is not a function.

step-by-step explanation:

the graph of the circle is not a function.

because for a graph to be a function, each value of x must give one value of y

in the circle, the values of x for -2< x< 2 each give 2 values of y.

hence this is not a function.

i got 142 as my answer

step-by-step explanation: