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To estimate the sample size within 0.02 with 90% confidence
The CEO of the company wants to estimate the proportion of Canadians who own their house.
What sample size should be obtained if he wants the estimate to be within 0.02 with 90% confidence if
a. he uses an estimate of 0.675 from the Canadian Census Bureau?
b. he does not use any prior estimates?
Here are the DMS odor thresholds for 10 untrained students:
If it is determined that there is no difference between the population mean being represented by the sample and the mean of the population at large, then:
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How large a sample should be taken if the desired margin of error is?
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Below are one hundred pseudorandom numbers from a uniform pdf. Set up and test the appropriate goodness-of-fit hypothesis. Let α = 0.05.
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