The variance \sigma^2 of the data {\x}_{ {\i}} 0 1 5 6 10 12 17 {\f}_{ {\i}} 3 2 3 2 6 3 3 Is [30-Jan-2024 Shift 2]

JEE Main 30-Jan-2024 Shift 2 Solved Paper

Section: Mathematics

Question : 30 of 90

Marks: +1, -0

The variance σ2 of the data

xi	0	1	5	6	10	12	17
fi	3	2	3	2	6	3	3

[30-Jan-2024 Shift 2]

xi	fi	fixi	fixi2
0	3	0	0
1	2	2	2
5	3	15	75
6	2	12	72
10	6	60	600
12	3	36	432
17	3	51	867
	∑fi=22		∑fixi2=2048

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