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 breakdown standard deviation 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.
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 breakdown standard deviation 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.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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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 breakdown | standard deviation |
| 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.
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