(urgent please help!!!!)in computing the mean of 8 numbers, a student mistakenly used 17 instead of 25 as one of the numbers and
obtained 20 as the mean. find the correct mean.
2 answers:
I believe the correct mean is 21!
Answer: 21
Step-by-step explanation:
The student's mean of the 8 numbers is 20; the total of the numbers will be
8 x 20 = 160
If we take out the 17 the total will be 160 - 17 = 143
If we then replace the 17 with 25 the total rises to 168.
168 divided by 8 = 21
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Sorry if its wrong, i havent done a question like this in a long time, please forgive me!
