page ; practice 9-1 , measure of center

With the scores of 93,84,86,75

The total is 338

the mean is 84.5

To get a mean of 86 barry will need 86*5=430

He will need to score 430-338=92 in his fifth score

i have another question liz has a score of 87,75,82,93 and she wants to raise the medium to 87

please post this as a separate question.I will answer

how 2 more questions ? jim has score of 60,73,82,75 wants to raise mean to 75

andrea has scores of 84,73,92,88 wants median to be 86

Its alright but you have to post them separately.I will answer them as soon as possible.

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