Discussion:
Q: A restaurant manager wants to compare mean daily sales between two of his restaurants located several miles apart in the same city. For a one-week period the following sales data are recorded.
Sunday: restaurant 1 (1916) restaurant 2 (1771)
Monday: restaurant 1(991) restaurant 2 (904)
Tuesday: restaurant 1 (1112) restaurant 2 (996)
Wednesday: restaurant 1 (1212) restaurant 2 (1258)
Thursday: restaurant 1(1461) restaurant 2 (1385)
Friday: restaurant1 (2017) restaurant 2 (1867)
Saturday: restaurant 1(2406) restaurant 2 (2192)
a. Explain why these data can be considered matched pairs.
b.Test the hypothesis that the mean daily sales for restaurant 1 is higher. Use α= .005