Nondirectional test, Over a 20 year period, the average

Nondirectional test

Reference no: EM13111344

Over a 20 year period, the average grade point average of applicants to our graduate program has been found to be 3.27. This year the mean grade point average of the 57 students applying to our graduate program is 3.53, with a standard deviation of 0.29. Test the hypothesis that the current sample came from a population in which mu=3.27. Use a level of .05 and a non-directional test.

The answer is: t(56)=6.77, p<.01 There is a significant difference between this sample and the population.

Reference no: EM13111344

Questions Cloud

Hypothesis testing-five step method z test : Treating Chronic Fatigue Syndrome Patients with chronic fatigue syndrome were tested, then retested after being treated with fluorocortisone.

How is the segmentation in annelids different : How is the segmentation in annelids different that the segmentation in tapeworms? (Hint: think about their structures that go across or through segments. Which group do you find those in?)

Compute the old and new ratios for labor productivity : Angies Bakeries is wooried about increased costs. The company invested an additional $3000 to make the baker's oven more energy efficient. The ovens are supposed to be 15% more energy efficient.

At what round the tournament can''t be played : Every year my country club sponsors a golf tournament. Play starts with 128 participants. During every round half of the players are eliminated.

Nondirectional test : Over a 20 year period, the average grade point average of applicants to our graduate program has been found to be 3.27. This year the mean grade point average of the 57 students applying to our graduate program is 3.53

How does the lymphatic system transport lymph back : How does the lymphatic system transport lymph back into the bloodstream?

Compute the labor productivity : Last week employees at Renee's Fashions worked 360 hours to produce 128 garments. Of these, 8 were seconds which were sold at the outlet store for $90 each.

Will this type of mutation affect the copy of this gene : A mutation that inactivates a regulatory protein that normally prevents transcription of a gene is said to be trans-acting. Will this type of mutation affect the copy of this gene on the other chromosome?

Define an is project that failed to achieve its objectives : Unfortunately it isn't too hard to find examples of failed Information Systems projects. Define an IS project that failed to achieve its objectives either a project that you know about personally

User Account

All Pages