z=\frac{\left(x-\mu\right)}{\frac{\sigma}{\sqrt{n}}}
Z: critical value
\sigma\colon : population standard deviation.
n: sample size
\mu\colon population mean
Frequently asked questions (FAQs)
What is the product of the mixed number 3 1/2 and the factored number 4^2? (
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Question: Calculate the variance of a data set: {3, 5, 7, 9, 10} using the formula for sample variance. (Note: Round to two decimal places.)