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October 22, 2014

Homework Help: statistics

Posted by Anonymous on Wednesday, July 11, 2012 at 2:40pm.

a random sample of 80 college students was selected to participate in a experiment. the mean of the sample is 317 points, the standard deviation of 37 there are 310 students that didn't complete the experiment
1. compute the appropriate test statistic?
2. what is the critical value of the test statistic?
3. given a data, what would you conclude
4. calculate a 95% and 99% confidence interval?

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