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    Testing hypotheses of population mean

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    A food processor is concerned that the 16 oz. can of sliced pineapple is being overfilled. The quality control department took a random sample of 50 cans and found that the arithmatic mean weight was 16.05 oz., with a sample standard deviation of .03 oz. At the 5% significance, can the hypothesis that the mean weight is equal to 16 oz. be rejected? Explain.

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    Solution. We can set up the null hypothesis: H0: u=16
    <br> the alternative hypothesis H1: u is not 16.
    <br>Denote the mean of sample by xbar and the sample standard deviation by SD. ...

    Solution Summary

    The solution contains detailed explanations of testing whether the population mean is different from a given value.