The average of 11,23,k is 40 .what is the value of k ?
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Here's the answer:
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¶ Average = (Sum of Observations) / (No. of Observations)
Given,
The Observations are 11, 23, k
=> No. of observations = 3
Sum of Observations = 11 + 23 +k = 34+k
Also Given that,
Average = 40
From Formula we have,
Avg = sum/No.
40 = (34+k)/3
=> 34+k = 120
=> k = 120 - 34
=> k = 86
•°• Required value of k = 86.
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