Question
A manufacturing company knows that their machines produce parts that are defective on occasion. They have 4 machines producing parts, and want to test if
A manufacturing company knows that their machines produce parts that are defective on occasion. They have 4 machines producing parts, and want to test if defective parts are dependent on the machine that produced it. They take a random sample of 321 parts and find the following results. Test at the 0.05 level of significance.
Machine 1 | Machine 2 | Machine 3 | Machine 4 | |
Defective | 10 | 15 | 16 | 9 |
Non-Defective | 72 | 75 | 66 | 58 |
Can it be concluded that number of defective parts is dependent on machine?
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Cost Accounting Foundations and Evolutions
Authors: Michael R. Kinney, Cecily A. Raiborn
8th Edition
9781439044612, 1439044619, 978-1111626822
