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July 24, 2014

Homework Help: statistics

Posted by vanitha on Wednesday, April 17, 2013 at 9:30pm.

A researcher wants to compare the variances of the heights (in inches) of 4 year college basketball players with those of players in junior colleges. A sample of 30 players from each type of school is selected, and the variances of the heights for each type are: 4 year colleges 2.43 inches, junior colleges 3.15 inches. Assuming the heights of all basketball players is normally distributed, at α = 0.10, is there a significant difference between the variances of the heights in the two types of schools

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