One Sample Hypothesis Testing

unrivalled Sample conjecture Testing Res/342 declination 2, 2011 One Sample Hypothesis Testing Introduction: Hypothesis Statement communicatory and Numerical In ones personal life and in business it is important to wear the know-how to gather breeding to trifle a decision. An individual considering buy an automobile has many concerns and take a great complete of information to make a good decision. What kind of vehicle to buy, how much to spend, safety, and mile grow be a a few(prenominal) things they consider. Team A reviewed and analyzed the information files in the Whitner Autoplex information preen. There are 80 elements and terce variables in the discriminating information set. The variables include selling price in dollars, era of buyers, and the vehicle origin domestic or import. 80 ergodic samples were taken from the data set to compare the years groups with the matter of purchases of domestic or import vehicles. The data from the data set was analyzed to formulate the pursual system argument: Do buyers everyplace age 42 buy more than domestic cars than buyers chthonian age 42? Analysis of the data set exhibited the age group of individuals who bought domestic vice import. The following is the breakdown: AgePurchasedPurchased base Domestic Import 25 to 29 0 of 6 6 of 6 30 to 34 1 of 9 8 of 9 35 to 39 5 of 15 10 of 15 40 to 44 7 of 18 9 of 18 45 to 49 7 of 14 7 of 14 50 to 54 0 of 5 5 of 5 55 to 59 7 of 10 3 of 10 A null shot is assumed true until a hypothesis test provides conclusion that indicates otherwise. A null hypothesis is written with the symbol Ho and an secondary hypothesis is written with the symbol Ha. The numerical averment for the hypothesis is: Ho: mu ? 42 domestic Ha: mu < 42 Domestic. Our theme rejects the null hypothesis.If you want to get a lavish essay, stage it on our website: OrderCusto! mPaper.com

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