Is claim is true even without a formal test
Is is true that if the claim says that the population mean is greater 200 and the sample mean is 215, we can say that the claim is true even without a formal test?
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A random sample of 2000 students showed that 860 were in favour of more movies on campus. Calculate the sample proportion for this result? Give your answer as a decimal fraction to 2 decimal places.
What is considered a medium effect size for a t test for dependent means?
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What are the limits of the 99% prediction interval of the daily sales in dollars of an individual grocery store that has spent $3000 on advertising expenditures? The distance value for this particular prediction is reported as .164.
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