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Use the table to answer the question.

Group A 18 20 46 34 58 31 41
Group B 15 21 32 42 29 57 39
The table shows the times, in minutes, spent shopping by two different groups. First find the mean times each group spent shopping. Then determine the difference in the mean times. Round your answers to one decimal place.(2 points)

1 answer

Mean time spent shopping for Group A = (18+20+46+34+58+31+41)/7 = 34.9 minutes
Mean time spent shopping for Group B = (15+21+32+42+29+57+39)/7 = 34.3 minutes
Difference in mean times = 34.9 - 34.3 = 0.6 minutes
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