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Comparison of Mean: Student's t test

The average annual rent for office space in Tampa was 17.63 per square foot. A real estate agent selected a random sample of 15 rental properties and found that the mean rent was 18.72 per square foot, and the standard deviation was 3.64. At ?=.05, test the clan that there was no difference in the rents.

A report by the NCAA states the 57.6% of football injuries occur during practices. A hear trainer claims that the actual number is less than what the MCAA states so that he randomly selects 36 injuries and find that 17 occurred during practices.


Solution Summary

The solution gives the details of students t test for comparing the mean with a standard value. The details of Z test for comparing the population proportion is also given