6. Two car hire firms A and B have the following records of number of cars together with records of breakdown per car for the year 2015. Firm Number of cars Mean no. of Standard deviation breakdown A 35 3.46 0.842 B 37 3.64 0.955 The A firm claims that from the figures, its cars are more reliable. Test this claim at 5% level of significance. I

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
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6. Two car hire firms A and B have the following records of number of cars together with
records of breakdown per car for the year 2015.
Firm
Number of cars
Mean no. of
Standard deviation
breakdown
A
35
3.46
0.842
37
3.64
0.955
The A firm claims that from the figures, its cars are more reliable. Test this claim at 5% level of
significance. |
Transcribed Image Text:6. Two car hire firms A and B have the following records of number of cars together with records of breakdown per car for the year 2015. Firm Number of cars Mean no. of Standard deviation breakdown A 35 3.46 0.842 37 3.64 0.955 The A firm claims that from the figures, its cars are more reliable. Test this claim at 5% level of significance. |
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