Following are the weights of 8 boxes of cookies, each of which is labeled as containing 16 ounces. Assume that the population of weights is normally distributed.
15.91 16.06 16.08 15.97 16.02 15 .88 15.89 16.01
Can you conclude that the population standard deviation is less than 0.1? Use the a=0.01 level of significance.
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