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History, 17.05.2021 14:00 nehaljay1883
A batch of weighing machines has been purchased and one machine selected at random for
testing. Ten weighing tests have been conducted and the errors found noted as follows;
Test1 2 3 4 5 6 7 8 9 10
Error (gms) 4.6 8.2 2.1 6.3 5.0 3.6 1.4 4.1 7.0 4.5
The purchasing manager has previously accepted machines with a mean error of 3.8gms and
asserts these tests are below standard. Test the assertion at 5% level.​
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Answers: 1
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A batch of weighing machines has been purchased and one machine selected at random for
testing. Ten...
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