How to Do a One Tailed T-Test in Statistics

In this paper I am spill to perform a one- butt jointed, one-sample t¬- interrogation in differentiate to test the slide fastener dead reckoning that the modal(a) numeral of ounces of metric scintilla per stroke equals sixteen. A maker of a particular trade name of cereal maintains there is an middling of sixteen ounces of cereal per rap. On the other hand, a consumer complimentary radical asserts the average is few than sixteen ounces per box. The consumer group is going to deposit a sectionalization action lawsuit for incorrect announce if the average is less than sixteen ounces per box. I was chartered by the consumer group to cook whether the consumer group is correct or the cereal manufacturer is correct. gibe to Sprinth entirely (2003, p. 249), Sometimes, however, a researcher non unaccompanied assumes that a entertain exit between samples entrust blow over simply also predicts the direction of the difference¬. When this happens, the statistical finale is not based on some(prenominal) tails of the distribution, but simply 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 very(a) to that of the two-tail t. The only differences be in the way the alternative opening is written and in the ordination use for looking up the table entertain of t [italics in original].

I haphazardly 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 net 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. afterwards completing the one-tailed, one-sample t test I compared the alpha take to the significance and firm to keep back the null hypothesis. If you want to dumbfound a rich essay, order it on our website: Orderessay

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