The varience of data 1001, 1003, 1006, 1007, | vedclass

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Question

Varience remains unchanged on subtraction

varience $=\frac{1^{2}+3^{2}+6^{2}+7^{2}+9^{2}+10^{2}}{6}-\left(\frac{1+3+6+7+9+10}{6}\right)^{2}$

$=1

Vedclass · Accepted Answer

$10$

Vedclass · Answer

Varience remains unchanged on subtraction

varience $=\frac{1^{2}+3^{2}+6^{2}+7^{2}+9^{2}+10^{2}}{6}-\left(\frac{1+3+6+7+9+10}{6}\right)^{2}$

$=10$

class	0-10	10-20	20-30	30-40
Freq	1	3	4	2

The varience of data $1001, 1003, 1006, 1007, 1009, 1010$ is -

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