a regional manager wants to know if there is a difference between the mean amounts of time the customers wait in line at the drive-through window for the three stores in her region. She samples the wait times at each store. Her data are given in the following table. Use an ANOVA test to determine if there is a difference between the mean wait times for the three stores, at the 0.05 level of significance.

Drive-Through Wait Times (in Minutes)

Store 1 Store 2 Store 3

2.34 2.87 1.32

1.23 1.94 1.45

1.89 2.36 1.78

2.31 1.85 2.01

3.02 1.75 2.45

1.95 2.82 1.92

2.45 3.32 1.83