hall6968 hall6968

26-03-2018
Mathematics

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A population with a mean of 7 has a sum of 42. how many scores are in the population

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sqdancefan sqdancefan

31-03-2018

mean = sum/N
7 = 42/N
N = 42/7 . . . . . multiply by N/7
N = 6

There are 6 scores in the population

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