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A sample of n = 8 Olympic marksmen fire a serious of rounds while a researcher records heartbeats. For each marksman, the total score is recorded for shots fired during heartbeats and for shots fired between heartbeats. Do these data indicate a significant difference? Test with α = .05....
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Suppose that the sales manager of a large automotive parts distributor wants to estimate as early as April the total annual sales of a region. On the basis of regional sales, the total sales for the company can also be estimated. If, based on past experience, it is found that the April estimates of...
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In analysis of variance, the assumption of normality, constant variance and independence are usually made, why?
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The distribution for scores of a particular IQ test for adults is approximately normal with mean 100 and standard deviation 15. Given that the probability of IQ less than 106 is 0.6554, find the probability that at least 5 out of a randomly selected groups of 12 adults will have IQ less than 106.
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12) A metropolitan bus system sampler's rider counts on one of its express commuter routes for a week. Use the following data to establish whether rider ship is evenly balanced by day of the week. Let = 0.05. Day Monday Tuesday Wednesday Thursday Friday Rider 10 34 21 57 ... View more questions Search
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