Brand ways Company indicate on the label that their loaves weigh 500g. A sample of 50...

Brand ways Company indicate on the label that their loaves weigh 500g. A sample of 50 loaves is selected hourly from their processing line and the contents weighed. Last hour a sample of 50 loaves had a mean weight of 503g with a standard deviation of 13g. Test at 0.05 significance level whether their process is out of control?

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milcah answered 1 year ago

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