Let the mean of 6 observations 1,2,4,5, x and y be 5 and their variance be 10. Then their mean deviation about the mean is equal to:

Statistics and Probability: JEE Main 2023 Mathematics question

JEE Main 2023 · 11 Apr, Evening shift · Q5484

JEE Main 202311 Apr, Evening shiftMathematicsMediumStatistics and Probability258× since 2002

Let the mean of 6 observations

1,2,4,5, \mathrm{x}

and

\mathrm{y}

be 5 and their variance be 10 . Then their mean deviation about the mean is equal to :

JEE Main 2023 · 11 Apr, Evening shift · Q5484

JEE Main 202311 Apr, Evening shiftMathematicsMediumStatistics and Probability258× since 2002

Let the mean of 6 observations

1,2,4,5, \mathrm{x}

and

\mathrm{y}

be 5 and their variance be 10 . Then their mean deviation about the mean is equal to :