Find the mean deviation about the median for the following data: | xi | 3 | 6 | 9 | 12 | 13 | 15 | 21 | 22 | |----|---|---|---|----|----|----|----|----| | fi | 3 | 4 | 5 | 2 | 4 | 5 | 4 | 3 |

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TextMean Deviation for Grouped Data

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Find mean deviation about the mean for the following data : | xi | 2 | 5 | 6 | 8 | 10 | 12 | |----|---|---|---|---|-------|------| | fi | 2 | 8 | 10 | 7 | 8 | 5 |

TextMean Deviation for Grouped Data

Find the mean deviation about the mean for the following data. | Marks obtained | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 | 70-80 | |----------------|-------|-------|-------|-------|-------|-------|-------| | Number of students | 2 | 3 | 8 | 14 | 8 | 3 | 2 |

TextMean Deviation for Grouped Data