Statistics and Probability: JEE Main 2026 Mathematics question

JEE Main 2026 · 24 Jan, Evening shift · Q11

JEE Main 202624 Jan, Evening shiftMathematicsEasyStatistics and Probability258× since 2002

Let

X=\{x\in\mathbb{N}:1\le x\le19\}

and for some

a,b\in\mathbb{R}

Y=\{ax+b:x\in X\}

. If the mean and variance of the elements of Y are 30 and 750, respectively, then the sum of all possible values of

b

JEE Main 2026 · 24 Jan, Evening shift · Q11

JEE Main 202624 Jan, Evening shiftMathematicsEasyStatistics and Probability258× since 2002

Let

X=\{x\in\mathbb{N}:1\le x\le19\}

and for some

a,b\in\mathbb{R}

Y=\{ax+b:x\in X\}

. If the mean and variance of the elements of Y are 30 and 750, respectively, then the sum of all possible values of

b

More on Statistics and Probability