hall6968 hall6968
  • 26-03-2018
  • Mathematics
contestada

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 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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