mean = sum of values / number of values
9 = sum of values / 7
sum of values = 63
add a new score of 1, sum of values is now 64 and number of values is 8
mean = 64/8 = 8
Kay J.
asked • 03/04/21hi can you please help me answer this problem
A sample of n =7 scores has a mean of M=9. If one new person with a score of x=1 is added to the sample, what is the value for the new mean?
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