JEE Main 9 Jan 2019 Shift 1 Solved Paper

Section: Mathematics

Question : 47 of 90

Marks: +1, -0

5 students of a class have an average height 150 cm and variance 18 cm2. A new student, whose height is 156 cm, joined them. The variance (in cm2) of the height of these six students is :

[9-Jan-2019 Shift 1]

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