The police department of a major city has found that the average height of their 1,250 officers is 71 inches (μ = 71 in.) with σ = 2.3 inches.

Answer 1

There are two companies that sell the medication, Company A and Company B. Company A’s tablets have a mean of 5 mg of medication and Company B’s tablets also have a mean amount of 5 mg of medication. This information would lead you to believe that it would make no difference which company filled your prescription. But what if you were told that Company A’s tablets have a standard deviation of 1 mg and Company B’s a standard deviation of .001 mg.

Answer 2

What is your question?

Answer 3

First, if you have a question, it is much better to put it in as a separate post in <Post a New Question> rather than attaching it to a previous question, where it is more likely to be overlooked.

I would want the one with the lowest variability. SD is a measure of variability.