pbanje6123 pbanje6123

07-06-2023
Mathematics

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Thw wieghts of a random sample of pet food bags that are supposed to weigh 10 pounds are given below. Assume the population is distributed normally.
10.4 10.1 10.1 9.8 10.4 9.6
(a) Find the sample variance. (b) Find a 95% confidence interval for the variance of the weight of the bags.

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