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Statistics 9 Online
Donovan:

A set of data with a mean of 45 and a standard deviation of 8.3 is normally distributed. What value is -2 standard deviations from the mean?

Dober9:

What is the set of data?

Dober9:

Donavan, what is the set of data, post it.

Vocaloid:

"-2 standard deviations from the mean" in other words, we want to know what value is 2 standard deviations under the mean in other words, simply calculate mean - 2 * (standard deviation) using the values from the problem

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