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ap review chi-square.doc - Name: _ 2 AP Review - Test 1)...

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Name: _________________________________________AP Review -2Test1) Which of the following is not true of the2probability density function?a) For small df, the curve displays right-skewness.b) As the df increase, the curve approaches a normal curve.c)2is defined only for positive values of the variable.d) The area under a2curve is 1.e) All of these are true.
Use the following table for favorite ice cream by gender from a random sample of studentstoanswer questions 2 & 3:MaleFemaleChocolate3216Vanilla144Strawberry3122) What is the expected number of males who prefer chocolate?
3) Which of the following is a valid conclusion?

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Term
Fall
Professor
Mekonnen Woldehana
Tags
Statistics, Normal Distribution, Statistical hypothesis testing

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