4 Z Test Problem The Weight Of Metal Plate Is Investigated The Average Weight From 4 Sample Is F 11 5kg And The Standa 1 (41.13 KiB) Viewed 44 times
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4) Z-test problem The weight of metal plate is investigated. The average weight from 4 sample is F=11.5kg and the standard deviation (o) is 0.5kg. Hypothesis test is : Ho: Mano (Ho: Malo Mos 12 kg .HI: Maho a) Find the Pualue for X = 11.5 kg and test whether the null hypothesis, Ho, acceptable. b) Find the type. I error (B) when the true mean weight is Mi=llias kg and the type I error (d) is 0.05.
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