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Statistics question

2024 · 1 Feb · Shift 1 · Q37

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JEE Main
Mathematics
Statistics
2024 · 1 Feb · Shift 1 · Q37

Statistics question

2024 · 1 Feb · Shift 1 · Q37

JEE MainMathematicsStatisticsMCQ+4 / −1

Let the median and the mean deviation about the median of 7 observation

170,125,230,190,210

, a, b be 170 and

\frac{205}{7}

respectively. Then the mean deviation about the mean of these 7 observations is :

A
31
B
28
C
30
D
32

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