5. ATV Manufacturing Company is interested to know the differences between its two major outlet stores. ATV company would like to determine the delivery time to its customers. The following are the data concerning the delivery times for the selected sample of customers: Outlet 1 Outlet 2 Mean (days 34.3 hours 2.4 hours 43.7 hours 3.1 hours 31 21

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5. ATV Manufacturing Company is interested to know the differences between its two
major outlet stores. ATV company would like to determine the delivery time to its
customers. The following are the data concerning the delivery times for the
selected sample of customers:
Outlet 1
Outlet 2
Mean (days
34.3 hours
2.4 hours
43.7 hours
3.1 hours
S
n
21
31
a) At .01 level of significance, is there evidence of a difference in the variances of
the delivery time between the two outlets?
b) Is there any sufficient evidence to show that there is really a significant
difference in the time it takes customers to receive their orders from the two
outlets?
L
Transcribed Image Text:5. ATV Manufacturing Company is interested to know the differences between its two major outlet stores. ATV company would like to determine the delivery time to its customers. The following are the data concerning the delivery times for the selected sample of customers: Outlet 1 Outlet 2 Mean (days 34.3 hours 2.4 hours 43.7 hours 3.1 hours S n 21 31 a) At .01 level of significance, is there evidence of a difference in the variances of the delivery time between the two outlets? b) Is there any sufficient evidence to show that there is really a significant difference in the time it takes customers to receive their orders from the two outlets? L
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