SOLUTION: Please help me solve this:
A sample of n = 6 scores has a mean of M = 5. One person with a score of X = 12 is added to the distribution. What is the mean for the new set of scor
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Question 1072434: Please help me solve this:
A sample of n = 6 scores has a mean of M = 5. One person with a score of X = 12 is added to the distribution. What is the mean for the new set of scores?
Thanks.
Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
let y be the sum of the 6 scores, then
:
5 = y / 6
:
y = 30
:
(30 + 12) / 7 = 6
:
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mean of the new set is 6
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:
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