youmna242002 youmna242002
  • 31-05-2021
  • Mathematics
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1
If the mean of five observations x, X + 2, x + 4, X + 6, X + 8 is 11. Find the mean of 1st three
observations
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abidemiokin
abidemiokin abidemiokin
  • 05-06-2021

Answer:

x+2

Step-by-step explanation:

The firs 3 observations are x, x+2, x+4

Mean = sum of data/samaple size

Mean = x+x+2+x+4/3

MEan = 3x+6/3

Mean = 3(x+2)/3

Mean = x+2

Hence the required mean is x+2

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