Hard Math Class 11 Level 1

What is the variance of data 2 4 6 8 10?

data 2 4 6 8 10 का variance क्या है?

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Correct Answer

B. 8 / 8

Explanation

Step 1: The mean is 6. Step 2: Squared deviations are 16 4 0 4 16 and their average is 40/5 = 8. Step 3: For variance square the deviations and take their mean.

Step 1: mean = 6 है। Step 2: squared deviations 16 4 0 4 16 हैं और average 40/5 = 8 है। Step 3: variance में deviations को square करके mean लेते हैं।

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