The mean of 50 observations is 20. If each observation is multiplied by 3 then what will be the new mean?

  • -3
the new mean will be 600.

mean = sum of obsevations/ no.of observations
20      =sum / 50
sum  = 1000
sum * 3 = 3000
new mean = 3000 / 50 = 600
  • -1
Thnkx
 
  • 2
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