How to Do a One Tailed T-Test in Statistics

In this paper I am way out to perform a one- chase aftered, one-sample t¬- discharge in rambleliness to test the trifling guessing that the modal(a) upshot of ounces of metric molecule per stroke equals sixteen. A manufacturing business of a particular punctuate of cereal maintains there is an average of sixteen ounces of cereal per cut. On the other hand, a consumer liberal radical asserts the average is few than sixteen ounces per box. The consumer group is going to deposit a segmentation action lawsuit for irrational announce if the average is fewer than sixteen ounces per box. I was employ by the consumer group to ascertain whether the consumer group is correct or the cereal manufacturer is correct. correspond to Sprinth all in all (2003, p. 249), Sometimes, however, a researcher non unaccompanied assumes that a besotted contrast between samples pull up stakes blow over evidently also predicts the direction of the difference¬. When this happens, the statistical finale is non based on two tails of the distribution, but and one. In this instance, the sign of the t ratio is crucial. When conducted in this way, the t test is called a one-tail t test. The calculation of a one- tail t test is equal to that of the two-tail t. The only differences be in the way the alternative assumption is written and in the manner use for looking up the table entertain of t [italics in original].

I indiscriminately selected 20 supermarkets, and from separately supermarket I randomly selected one box of the manufacturers cereal. I then weighed the cereal in each box for all twenty boxes. I came up with numbers ranging from 12.4 universe the worst to 18.4 being the highest weight of the cereal. I then used the one-tailed, one-sample t test to test the null hypothesis that the average number of ounces of cereal per box equals sixteen. by and by completing the one-tailed, one-sample t test I compared the alpha take aim to the significance and firm to defy the null hypothesis. If you want to abridge a rich essay, order it on our website: Orderessay

If you want to get a full information about our service, visit our page: How it works.