The mean of 5 observation is 60.If one observation is replaced by 45.What will be the new mean.
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Answered by
1
Answer:
68
Step-by-step explanation:
Mean of 5 observation =60
∴Total of 5 observation= 5 × 60 = 300
If one of the observation 5 is replaced by 45 than total of new observation is= 300 - 5 + 45 = 340
Hence the mean of new 5 observation=
340/5 = 68
Answered by
0
Answer:
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