SOLUTION: Sample of n=5 scores has a mean of 12, 1 new score is added and the new mean is calculated to be 11, what is the new score?

Question 1152167: Sample of n=5 scores has a mean of 12, 1 new score is added and the new mean is calculated to be 11, what is the new score?
Found 3 solutions by MathLover1, greenestamps, MathTherapy:
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

Sample of scores has a mean of , 1 new score is added and the new mean is calculated to be , what is the new score?

Now we can add to this

and divide by the new which is
<-- the new mean

Answer by greenestamps(13203)   (Show Source): You can put this solution on YOUR website!

The other tutor misread the given information; 11 is the new mean -- not the new score.

The old mean was 12 with 5 scores; so the total was 60.

The new mean is 11 with 6 scores; so the total is 66.

So the new (6th) score was 6.

Answer by MathTherapy(10555)   (Show Source): You can put this solution on YOUR website!
Sample of n=5 scores has a mean of 12, 1 new score is added and the new mean is calculated to be 11, what is the new score?

RELATED QUESTIONS
A sample of n=9 scores has mean=13. A new score of x=4 is added to sample. a._______... (answered by Fombitz)
A sample of n=6 BMI scores of a group of individuals has a mean of M = 24.5. One new BMI... (answered by ikleyn)
A sample of n = 10 scores has a mean of M = 7. One score in sample is changed from X = 21 (answered by ikleyn)
The mean of a set of test scores is 73. If a score of 75 is added to the set and a new... (answered by ankor@dixie-net.com)
1)A sample of n = 10 scores has a mean of M = 9. One person with a score of X = 0 is... (answered by Boreal)
Please help me solve this: A sample of n = 6 scores has a mean of M = 5. One person... (answered by rothauserc)
The mean of nine test scores is 61. If a score of 71 is added to the group of scores,... (answered by Boreal,jim_thompson5910)
The mean of a set of five scores is 68. What is the new mean of the set of scores after a (answered by solver91311)
A class of 12 students takes an exam and the mean of their score is 71. A student takes... (answered by lenny460)