Homework Help: Statistics

Posted by John on Tuesday, June 22, 2010 at 11:02am.

The t distribution should be used when ___.
the sampling population is not normal

the sampling population is unimodal

The sampling distribution is normal and the population standard deviation is unknown

the population standard deviation is known

Statistics - MathGuru, Tuesday, June 22, 2010 at 8:21pm
How about the third choice?

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