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Monday, December 30, 2013

Hypothesis Testing (Gas Prices)

In the last regard, aggroup C compared the national char out expenditure average as reported by AAA.com to various artillery prices in different cities in the easterly US. Taking the study a step further, Team C elected to mental experiment the gas prices in pair states, Florida and dinero, to further research such(prenominal) prices. After further research, results reported that the gas averages in Florida and Michigan were calculated at $2.60 and $2.61, respectively. Team C decided to deliver this a step further and tally if the $.01 difference could be tested as an accepted possible action that the gas prices in Florida are in fact cheaper by one centime rather than a nothing scheme that prices in the two states are the same. ProcedureAs in any shot test, the procedure begins by identifying null and alternate hypothesis statements. Next, Team C determines the level of significance or probability of rejecting the null hypothesis when it is current (Lind, Marc hal, and Wathen 2004). The third step is selecting a test statistic or nourish from the sample. A decision rule formulates, which pull up stakes determine acceptation or rejection of the null hypothesis. Finally, Team C compares the test statistic to the full of life value and reports the results. Team C?s sample consists of 20 gas stations from Florida and Michigan, (Appendix A).
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acknowledgement of Hypothesis:Ho: umichigan >= ufloridaH1: umichigan take aim of SignificanceAlpha is also cognise as the level of significance. Note that important is the confidence interval, which is ?the mark of values w ithin which we expect the tribe parameter t! o number? (Lind, Marchal, Wathen 2004). Therefore, a level of significance of .05 corresponds to 95%. Once again Team C chose a atomic number 23 percent significance level beca drug abuse this is the standard level use for consumer research projects. This level of significance describes the risk the test... If you want to grime a full essay, order it on our website: OrderCustomPaper.com

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