One Sample Hypothesis Testing

unrivalled Sample possible action Testing Res/342 celestial latitude 2, 2011 One Sample Hypothesis Testing Introduction: Hypothesis Statement communicatory and Numerical In ones personal life and in business it is important to build the know-how to gather reading to trifle a decision. An individual considering get an automobile has many concerns and take a great plenteousness 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 notice. There are 80 elements and terce variables in the discriminating information set. The variables include selling price in dollars, mount of buyers, and the vehicle origin domestic or import. 80 random samples were taken from the data set to compare the while groups with the issue forth of purchases of domestic or import vehicles . The data from the data set was analyzed to formulate the pursual system argument: Do buyers over age 42 buy more than domestic cars than buyers to a lower place age 42? Analysis of the data set exhibited the age group of individuals who bought domestic vice import.

The following is the breakdown: AgePurchasedPurchased root word 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 conjec ture is anticipate true until a hypothesis ! test provides conclusion that indicates otherwise. A null hypothesis is written with the symbol Ho and an substitute hypothesis is written with the symbol Ha. The numerical averment for the hypothesis is: Ho: mu ? 42 domestic Ha: mu < 42 Domestic. Our select rejects the null hypothesis.If you want to get a lavish essay, state it on our website: OrderCustomPaper.com

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