In: Statistics and Probability
Which is cheaper: eating out or dining in? The mean cost of a flank steak, broccoli, and rice bought at the grocery store is $13.04 (Money.msn website, November 7, 2012). A sample of 100 neighborhood restaurants showed a mean price of $12.75 and a standard deviation of $2 for a comparable restaurant meal.
Compute the value of the test statistic. (Round to two decimal places) Answer
What is the p-value? (Round to three decimal places). Answer
At α=0.05, what is your conclusion?