Question

The mean of 6 observations is 8, five of them are 8, 15, 0, 6, and 11. Find the 6th observations.

Answer 1

Answer:

8

The sixth observation is 8

Step-by-step explanation:

Let the sixth observation be x

Mean =sum.ofobservation/no.of observation

8 = 8+15+0+6+11+x/6

8=40+x/6

6(8) =40+x

48=40+x

48-40=x

X=8

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Answer 2

Step-by-step explanation:

Mean of 6 observation = 8

Total mean of 6 observation = 48

Total mean of 5 observation = 40

sixth observation = 48 - 40 = 8

Hope it helps