#### The marks of 200 students in a test were recorded as follows:

Marks % |
10-19 |
20-29 |
30-39 |
40-49 |
50-59 |
60-69 |
70-79 |
80-89 |

No. of students |
7 |
11 |
20 |
46 |
57 |
37 |
15 |
7 |

**Solution:**

The cumulative frequency table is as follows:

Marks % (Class) |
Frequency |
Cumulative Frequency |

10-19 | 7 | 7 |

20-29 | 11 | 18 |

30-39 | 20 | 38 |

40-49 | 46 | 84 |

50-59 | 57 | 141 |

60-69 | 37 | 178 |

70-79 | 15 | 193 |

80-89 | 7 | 200 |

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