Question
A manufacturer of fibre optic cables produce two types of cables type A and type B. They claim that the average strength of cable type
A manufacturer of fibre optic cables produce two types of cables type A and type B. They claim that the average strength of cable type A exceeds the average strength of cable type B by at least
12 kg. To test the claim 50 cables of each type were tested under the same conditions. Type A has an average strength of 86.7 kg with a standard deviation of 6.28 kg and type B has an average strength of 77.8 kg with a standard deviation of 5.61 kg. At a significance level of 5% test the manufacturer's claim.
A manufacturer of fibre optic cables produce two types of cables type A and type B. They claim that the average strength of cable type A exceeds the average strength of cable type B by at least
12 kg. To test the claim 50 cables of each type were tested under the same conditions. Type A has an average strength of 86.7 kg with a standard deviation of 6.28 kg and type B has an average strength of 77.8 kg with a standard deviation of 5.61 kg. At a significance level of 5% test the manufacturer's claim.
Multiple choices of answer
a. Type A exceeds the strength of type B
b. Type A will never exceed the strength of type B
c. Type B will never exceed the strength type A
d. Type A equal strength to type B
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Grveen Type A Caber m 50 24 867 kg 628 kg the B Cable ng 50 ...
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Step: 2
Step: 3
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Quality Inspired Management The Key to Sustainability
Authors: Harold Aikens
1st edition
131197568, 978-0131197565
