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CGP EDU Academic Team
Published on: August 14, 2026
Two data sets each of size 10 has the variance as 4 and k and the corresponding means as 2 and 4 respectively. If the variance of the combined dataset is 5. 5, then the value of k is equal to
Text Solution
Verified by ExpertsThe correct answer is:
A
5
Combined mean, 


Combined variance 


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