Question: You are a quality control engineer trying to maintain a constant amount of soda in soda cans, so your main interest is in the variability

You are a quality control engineer trying to maintain a constant amount of soda in soda cans, so your main interest is in the variability of ounces per can across cans. Therefore, you regularly take a random sample of cans, measure the ounces in each can, and report a 95% confidence interval for the population standard deviation. Which of the following is true?

a. The confidence interval will depend on the sample mean.

b. The confidence interval will be centered at the sample standard deviation.

c. The confidence interval will be centered at the sample mean.

d. None of these choices are true.

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