One Sample Hypothesis Testing

unrivalled Sample possibleness 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 make up the know-how to gather tuition to trifle a decision. An individual considering acquire an automobile has many concerns and take a great remove of information to make a good decision. What kind of vehicle to buy, how much to spend, safety, and mile grow be a hardly a(prenominal) things they consider. Team A reviewed and analyzed the information files in the Whitner Autoplex information dress. There are 80 elements and terce variables in the discriminating information set. The variables include selling price in dollars, come along of buyers, and the vehicle origin domestic or import. 80 random samples were taken from the data set to compare the epoch groups with the spot of purchases of domestic or import vehicles. The data from the data set was analyzed to formulate the pursual system argument: Do buyers oer age 42 buy more than domestic cars than buyers on a lower floor age 42? Analysis of the data set exhibited the age group of individuals who bought domestic vice import.

The following is the breakdown: AgePurchasedPurchased grouping 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 speculation i s presume true until a hypothesis test prov! ides conclusion that indicates otherwise. A null hypothesis is written with the symbol Ho and an selection hypothesis is written with the symbol Ha. The numerical averment for the hypothesis is: Ho: mu ? 42 domestic Ha: mu < 42 Domestic. Our shoot rejects the null hypothesis.If you want to get a lavish essay, redact it on our website: OrderCustomPaper.com

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