Question

Calculate the mean deviation about median for the following data : | Class | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | |-------|------|-------|-------|-------|-------|-------| | Frequency | 6 | 7 | 15 | 16 | 4 | 2 |

Find the mean deviation about the mean for the data: | xi | 5 | 10 | 15 | 20 | 25 | |----|---|----|----|----|----| | fi | 7 | 4 | 6 | 3 | 5 |

Find the mean deviation about the mean for the data: | xi | 10 | 30 | 50 | 70 | 90 | |----|----|----|----|----|----| | fi | 4 | 24 | 28 | 16 | 8 |

Find the mean deviation about the median for the data: | xi | 5 | 7 | 9 | 10 | 12 | 15 | |----|---|---|---|----|-------|------| | fi | 8 | 6 | 2 | 2 | 2 | 6 |