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 standard deviation of the following data set: {10, 15, 20, 25, 30}?
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What is the standard deviation of the following dataset: 10, 15, 20, 25, 30, 35?
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What is the vertex of the quadratic function y = -2x^2 + 8x - 5?