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Statistics Unit Test
6 of 156 of 15 Items
Question
Use the table to answer the question.
Group A 18 20 46 34 58 31 41
Group B 15 21 32 42 29 57 39The 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)
The mean time Group A spent shopping is
minutes.
The mean time Group B spent shopping is
minutes.
The mean times Group A and Group B spent shopping differ by
minutes.
Bot GPT 3.5
answered
To find the mean time for Group A:
(18 + 20 + 46 + 34 + 58 + 31 + 41) / 7 = 37.4 minutes
To find the mean time for Group B:
(15 + 21 + 32 + 42 + 29 + 57 + 39) / 7 = 33.4 minutes
The mean time Group A spent shopping is 37.4 minutes.
The mean time Group B spent shopping is 33.4 minutes.
The mean times Group A and Group B spent shopping differ by 4.0 minutes.