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ICSE Class 10 Answered

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Asked by aastharoy997 | 18 Jun, 2020, 09:56: AM
Expert Answer
Question: The average of 19 observations is 4. If one more observation, 24, is included , the new value of the average will be:
Solution:
Average of 19 observations is 4.
Sum of 19 observations is 19 x 4 = 76
Adding one more observation 24 to the sum, we have
New sum = 76 + 24 = 100
No. of observations is 19+1 = 20
New average = 100/20 = 5
Answered by Renu Varma | 18 Jun, 2020, 10:14: AM

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