JEE MATHEMATICS MCQ: STATISTICS

1 Easy

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Application +4 | -1

The AM of n observations isM. If the sum of

\left( {n - 4} \right)

observations is a, then the mean of remains four observations is

View answer and explanation

Correct option: A

\frac{{nM - a}}{4}

Option A (

\frac{{nM - a}}{4}

) is correct because it represents the mean of the remaining four observations after subtracting the sum of (n-4) observations from the total sum and dividing by 4.

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\bar X,

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