- Compute the mean deviation from the median and from the mean for the following distribution of the scores of 50 college students:

Scores | 140-150 | 150-160 | 160-170 | 170-180 | 180-190 | 190-200 |

Frequency | 4 | 6 | 10 | 18 | 9 | 3 |

- Calculate quartile deviation and its coefficient from the following data

Size | 5-10 | 10-15 | 15-20 | 20-25 | 25-30 | 30-35 | 35-40 | 40-45 | 45-50 |

frequency | 6 | 10 | 18 | 30 | 15 | 12 | 10 | 6 | 4 |

- Find the coefficient of correlation between X AND y series from the data:

X | 10 | 12 | 8 | 15 | 20 | 25 | 40 |

Y | 15 | 10 | 6 | 25 | 16 | 12 | 8 |

- PROJECT

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