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  3. a consumer advocacy group suspects that a local su

A consumer advocacy group suspects that a local supermarket’s 10 ounce packages of cheddar cheese actually...

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Statistics

  1. A consumer advocacy group suspects that a local supermarket’s10 ounce packages of cheddar cheese actually weighs less than 10ounces. The group took a random sample of 20 such packages andfound that the mean weight for the sample was 9.955 ounces. Thepopulation is normally distributed with a standard deviation of .15ounces. Test at the .01 level. ( Chap 9 ) (One tailed test)
  1. Use the either the p-value approach or the critical valueapproach to test the hypothesis that Ho; µ = 10 and H1; µ < 10.(Test at the .01 level) Show me your pvalues or zcrit values andstate whether you accept or reject the Null Hypothesis.

Test at the .05 level. Show me your pvalues or zcrit values andstate whether you accept or reject the Null Hypothesis

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