If the mean of the data : 7, 8, 9, 7, 8, 7, …, 8 is 8, then the variance of this data is :

Statistics

JEE Main 2018 · 15 Apr, Evening shift · Q5437

MathematicsMedium89×since 2002Q5437

If the mean of the data : 7, 8, 9, 7, 8, 7,

\lambda

, 8 is 8, then the variance of this data is :

JEE Main 2018 · 15 Apr, Evening shift · Q5437

MathematicsMedium89×since 2002Q5437

If the mean of the data : 7, 8, 9, 7, 8, 7,

\lambda

, 8 is 8, then the variance of this data is :