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July 3, 2015

Homework Help: math

Posted by I need help on Friday, June 19, 2009 at 3:10pm.

The speeds in miles per hour of 30
cars were checked by radar. The data are as follows:
62 67 69 72 75 60 58 86 74 68
56 67 82 88 90 54 67 65 64 68
74 65 58 75 67 65 66 64 45 64
Find the upper and lower quartiles

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