One Sample Hypothesis Testing

unrivalled Sample possibility 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 nourish the know-how to gather field of honor to trifle a decision. An individual considering purchase an automobile has many concerns and take a great dope of information to make a good decision. What kind of fomite to buy, how much to spend, safety, and mile grow be a a couple of(prenominal) things they consider. Team A reviewed and analyzed the information files in the Whitner Autoplex information jell. There are 80 elements and terce variables in the discriminating information set. The variables include selling price in dollars, climb on of buyers, and the vehicle origin domestic or import. 80 stochastic samples were taken from the data set to compare the mature groups with the effect 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 low age 42? Analysis of the data set exhibited the age group of individuals who bought domestic vice import.

The following is the breakdown: AgePurchasedPurchased theme 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 assumption is take for granted true until a hypothesis test provides conclusion th at indicates otherwise. A null hypothesis ! is written with the symbol Ho and an substitute(a) hypothesis is written with the symbol Ha. The numerical averment for the hypothesis is: Ho: mu ? 42 domestic Ha: mu < 42 Domestic. Our study rejects the null hypothesis.If you want to get a lavish essay, request it on our website: OrderEssay.net

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