**Some Useful Statistical Functions (Mac)**

As seen below, we'll use B2:B21 as our first array and C2:C21 as our second array. Let's go with 2-tails and call for a type 2 t-test more information about types can be found here :.

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A p-value of. Questions, comments, concerns? Skip to main content. Google Tag Manager. Visit Us.

## STDEV function

What We Do. Who We Are. Some Useful Statistical Functions Mac This page provides examples a few useful statistical functions you can use in Excel. Then close the parentheses and hit enter. If you are analyzing how fluctuations in sales will affect your business, for example, this number has little use on its own, since all random outcomes follow uniform distribution, while sales results usually follow a normal distribution.

Normal, or Gaussian, distribution describes a pattern where values in your defined range occur more frequently around a center point, or mean. Using the sales projection example, you observe that extreme high and low sales happen infrequently, that is, they are not uniformly distributed. The NORMINV function in Excel returns a number that is normally distributed around a mean, altered by a standard deviation and by a probability factor.

You can use the RAND function to establish probability and create a random variable with normal distribution. You can change B2 and C2 to reference different cells or enter the values into the formula itself.

The combination of the two functions ensures generation of a random variable with normal distribution. A full-time content creation freelancer for over 12 years, Scott Shpak is a writer, photographer and musician, with a past career in business with Kodak.

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Skip to main content. Normal Distribution Normal, or Gaussian, distribution describes a pattern where values in your defined range occur more frequently around a center point, or mean.

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- RAND() Function.