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September 1, 2014

Homework Help: Statistics

Posted by Ted on Thursday, April 25, 2013 at 3:30pm.

To test H0:  = 80 versus H1:  < 80. a simple random sample of size n = 22 is obtained from a population that is known to be normally distributed.

a) If x = 76.9 and s = 8.5, compute the test statistic.

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