Mathematics, 21.11.2019 21:31 lulu8167
In a particular large school system, the average iq of elementary school children is 105 and the standard deviation is 15. a sample of 81 children is randomly selected from elementary schools within the system. find the mean of the sampling distribution of x. find the standard deviation, what is the probability that the average iq of this sample is below 108?
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In a particular large school system, the average iq of elementary school children is 105 and the sta...
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