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Five years ago, the average apartment rent in southwest Virginia was $895 per month. A recent...

Five years ago, the average apartment rent in southwest Virginia was $895 per month. A recent study of 180 randomly selected apartments found that the average rent was $915, with a standard deviation of $227.50. Do the data enable us to conclude that rents have increased? Using the 98% degree of confidence, the rejection rule is:

Math   Statistics-And-Probability   
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Answer #1

Rehection rule

If t > 2.069, reject H0

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Five years ago, the average apartment rent in southwest Virginia was $895 per month. A recent...
Five years ago, the average apartment rent in southwest Virginia was $895 per month. A recent study of 180 randomly selected apartments found that the average rent was $915, with a standard deviation of $227.50. Do the data enable us to conclude that rents have increased? What is the 97.5% confidence interval for the population mean?
Five years ago, the average apartment rent in southwest Virginia was $895 per month. A recent...
Five years ago, the average apartment rent in southwest Virginia was $895 per month. A recent study of 180 randomly selected apartments found that the average rent was $915, with a standard deviation of $227.50. Do the data enable us to conclude that rents have increased? An appropriate set of null and alternative hypotheses to use in order to determine whether the average rent has increased is:
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