Statistics

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Please show all of the steps and processes you used to solve each of the problems

 

 

R

In the formula for the variance Σ (x – µ)^2/n, what is the sum if we don’t square the (x - µ) values? [Hint: There is a special name for this sum.]

 

In testing a new drug, researchers found that 20% of all patients using it will have a mild side effect.  A random sample of 25 patients using the drug is selected.  Find the mean and standard deviation of patients having a mild side effect.

    • 9 years ago
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