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To test the two different population income

A study conducted on the annual incomes of Teachers in the state of California in metropolitan areas having a population less than 100,000 and in metropolitan areas having a population over 500,000. Some sample statistics are:

SAMPLE STATISTIC	POPULATION LESS THAN 100K	POPULATION MORE THAN 500K
Sample Size	45	60
Sample mean	$46,289	$53,2750
Sample SD	$1,060	$1,900

Test the hypothesis that the annual incomes of Teachers in areas of more than 500,000 are significantly more than those in areas of less than 100,000. Use the 5 percent level of risk.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M921660

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