The scores of a batsman in `10`  innings are `70, 38, 34, 48, 55, 42, 63, 46, 54, 44`.
Channel: Doubtnut
Date: 2020-04-12

The scores of a batsman in `10`  innings are `70, 38, 34, 48, 55, 42, 63, 46, 54, 44`. The mean deviation about medium is -