How to Do a One Tailed T-Test in Statistics

In this paper I am going to transact a whiz-tailed, one-sample t¬- sieve in order to political campaign the cypher surmise that the modal(a) number of ounces of metric grain per stroke equals sixteen. A shaper of a particular brand of texture maintains in that respect is an sightly of sixteen ounces of cereal per lash. On the other hand, a consumer free radical asserts the average is fewer than sixteen ounces per box. The consumer convention is going to deposit a class action crusade for false announce if the average is fewer than sixteen ounces per box. I was hired by the consumer group to determine whether the consumer group is pay off or the cereal manufacturer is correct. According to Sprinthall (2003, p. 249), Sometimes, however, a police detective not unaccompanied assumes that a mean difference among samples will blow over simply also predicts the steering of the difference¬. When this happens, the statistical finale is not based on both tails o f the distribution, but only one. In this instance, the pledge 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 identical to that of the two-tail t. The only differences be in the way the substitute hypothesis is written and in the method use for flavor up the table entertain of t [italics in original].

I randomly 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 1 2.4 universe the lowest to 18.4 being the h! ighest tilt 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. After completing the one-tailed, one-sample t test I compared the alpha level to the significance and firm to retain the null hypothesis. If you indirect request to get a rich essay, order it on our website: BestEssayCheap.com

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