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Mathematics 18 Online
OpenStudy (anonymous):

STATISTICS HELP

OpenStudy (trevor12):

whats your question

OpenStudy (anonymous):

OpenStudy (tkhunny):

Well, then it's a good thing this is statistics, and not "math". What do you know about a z-score?

OpenStudy (anonymous):

that a z-score has a distribution with a mean of 0 and a standard deviation of 1.

OpenStudy (zarkon):

you know the empirical rule?

OpenStudy (tkhunny):

Okay, how many standard deviations each way from the mean are we talking about?

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