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August 31, 2015

Homework Help: Math

Posted by Cherie on Friday, May 4, 2012 at 11:59am.

A student got these marks on 7math tests:
91%,75%,95%,,80%,83%,86%,68%
What mark will the student need on the 8th test to make each statement true?
a)The mean of the tests is 84%
b)The mode of the eight tests is 86%
c)The median of the eight tests is 84%

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