Question

Two independent random samples of size 25 were taken from an English class and a chemistry class at a local community e. Students in both classes were asked to draw a 3-inch line to the best of their ability without any measuring device (ruler, etc.).The following data resulted:
At the 0.05 level of significance, is there a difference between the standard deviations for 3-inch-line measurements from the English and chemistry classes?


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  • CreatedAugust 28, 2015
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