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please help me with this question (Calculating The Mean Question) A student has received the following grades on his tests: 85, 70, 68, and 88.

please help me with this question

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(Calculating The Mean Question) A student has received the following grades on his tests: 85, 70, 68, and 88. He wants an 85 or better overall. What is the minimum grade he must get on the last test in order to achieve that average? He cannot gain an 85 average, because no test is 114.. 114 102 He cannot gain an 85 average, because no test is 102

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