The owner of Giant Fish supermarket is interested in the average of age of shopp

Question

The owner of Giant Fish supermarket is interested in the average of age of shoppers in the store. Create and interpret a 95% confidence interval for the average age of customers in the Giant Fish supermarket.

Interval:

Interpretation:

What is the point estimate for the average age of shoppers at Giant Fish supermarket?

What is the margin of error?

The U.S. Supermarket Marketing Group reported that the average age of supermarket shoppers is 43.5 years.Are the shoppers at Giant Fish a significantly different age than the national average?

Explanation / Answer

What is the point estimate for the average age of shoppers at Giant Fish supermarket?

point estimate for the average age is the mean

What is the margin of error?

X +/- Error

marginal of error is the error that is sum and rest in the interval

The U.S. Supermarket Marketing Group reported that the average age of supermarket shoppers is 43.5 years.Are the shoppers at Giant Fish a significantly different age than the national average?

I cant see the interval so I cant say clearly if is significantly different

but if the interval contain the 43.5 years so that means that there is no different

but if the interval not contain 43.5 you can say that is sifgnificantly differnt

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