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suppose you work for a company that manufactures electronics the development analysts estimate that 2 of their flagship product will fail after the
sometimes data does have a huge difference and mean is still the best way to find the central point for example perhaps you have a millionaire
testing the difference between two meansbull what two assumptions must be met when you are using the z test to test differences between two means can
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1 you are interested in testing the distance of two golf balls brand a and brand b you take a random sample of 100 golfers each of whom hits brand a
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testing the difference between two means note please respond to one 1 of the following two 2 bulleted itemswhat two assumptions must be met when you
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the data set toxemia contains information for a sample of 100 infants born in two hospitals in boston indicators of a maternal diagnosis of toxemia
a researcher conducts a study of perceptual illusions under two different lighting conditions twenty participants were each tested under both of the
a prestigious university requires a score of at least 750 on a graduate exam for admission to its mba program suppose the graduate exam is normally
a poll was conducted by making random phone calls to people in the united states 3000 people called agreed to participate in the survey the
in a study conducted to investigate browsing activity by shoppers each shopper was initially classified as a in a study conducted to investigate
bank of americas consumer spending survey collected data on annual credit card charges in seven different categories of expenditures transportation
consider two random variables x and y suppose that the variance of x is 20 that this of y is 10 and that the covariance of x and y is 5 what is the
albert pujols of the st louis cardinals had the highest batting average in the 2003 major league baseball season his average was 359 assume the
imagine you are a manager at a major bottling company customers have begun to complain that the bottles of the brand of soda produced in your company
a shipment of 1000 small lab mice arrives at the animal care facility with a nominal weight of 10 g per mouse a sample of 20 mice is selected and
question 1according to one study it has been claimed that 70 of all single men in montreal would welcome a woman taking the initiative in asking for