Answer the following question

Mrigendra Kumar Singh answered this

Dear Student,

Given that :-

Formula Used:-

Nos of Student in Class 10-20 = Nos of Student Obtain marks Less than 20 - Nos of Student obtain marks Less than 10.

Similarly For all Class of Marks.

Regards

Given that :-

Marks | Nos of Student | |

Less than 10 | 2 | |

Less than 20 | 12 | |

Less than 30 | 37 | |

Less than 40 | 57 | |

Less than 50 | 60 |

Marks | Frequency | Nos of Student (frequency) |

0-10 | 2 | 2 |

10-20 | =12-2=10 | 10 |

20-30 | =37-12=25 | 25 |

30-40 | =57-37=20 | 20 |

40-50 | =60-57=3 | 3 |

Formula Used:-

Nos of Student in Class 10-20 = Nos of Student Obtain marks Less than 20 - Nos of Student obtain marks Less than 10.

Similarly For all Class of Marks.

Regards