If the mean and variance of six observations 7, 10, 11, 15, a, b are 10 and …, respectively, then the value of | a … b | is equal to :

Statistics

JEE Main 2021 · 20 Jul, Evening shift · Q5464

MathematicsEasy89×since 2002Q5464

If the mean and variance of six observations 7, 10, 11, 15, a, b are 10 and

{{20} \over 3}

, respectively, then the value of | a

-

b | is equal to :

JEE Main 2021 · 20 Jul, Evening shift · Q5464

MathematicsEasy89×since 2002Q5464

If the mean and variance of six observations 7, 10, 11, 15, a, b are 10 and

{{20} \over 3}

, respectively, then the value of | a

-

b | is equal to :