If the mean and variance of the following data: 6, 10, 7, 13, a, 12, b, 12 are 9 and 37/4 respectively, then (a - b)² is equal to:

Statistics and Probability: JEE Main 2021 Mathematics question

JEE Main 2021 · 27 Jul, Morning shift · Q5467

JEE Main 202127 Jul, Morning shiftMathematicsMediumStatistics and Probability258× since 2002

If the mean and variance of the following data : 6, 10, 7, 13, a, 12, b, 12 are 9 and

{{37} \over 4}

respectively, then (a

-

b)² is equal to :

JEE Main 2021 · 27 Jul, Morning shift · Q5467

JEE Main 202127 Jul, Morning shiftMathematicsMediumStatistics and Probability258× since 2002

If the mean and variance of the following data : 6, 10, 7, 13, a, 12, b, 12 are 9 and

{{37} \over 4}

respectively, then (a

-

b)² is equal to :