Answer
Both odors were associated with increased customer spending. The mean customer amounts spent (with no odor, with the lemon odor, and with the lavender odor) were 17.51 euros, 18.16 euros, and 21.12 euros. Also, the lowest customer amounts spent for the lemon and lavender odors were 3 and 5.6 euros more (respectively) than with no odor.
Work Step by Step
The means were computed by entering the data into Microsoft Excel.