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# Construct a frequency distribution table for the following weights (in grams) of 35 mangoes, using the equal class intervals, one of them is 40 - 45 (45 not included).

30, 40, 45, 32, 43, 50, 55, 62, 70, 70, 61, 62, 53, 52, 50, 42, 35, 37, 53, 55, 65, 70, 73, 74, 45, 46, 58, 59, 60, 62, 74, 34, 35, 70, 68.

(a) How many classes are there in the frequency distribution table?

(b) Which weight group has the highest frequency?

**Solution:**

Class Interval | Frequency |

30-35 | 3 |

35-40 | 3 |

40-45 | 3 |

45-50 | 3 |

50-55 | 5 |

55-60 | 4 |

60-65 | 5 |

65-70 | 2 |

70-75 | 7 |

(a) There are 9 classes in the frequency table

(b) Class 70-75 has highest frequency

**✦ Try This:** Construct a frequency distribution table for the following weights (in grams) of 35 mangoes, using the equal class intervals, one of them is 40 - 45 (45 not included).

20, 10, 50, 12, 53, 51, 15, 32, 90, 30, 71, 32, 23, 32, 10, 32, 75, 37, 63, 55, 55, 20, 63, 74, 65, 86, 58, 59, 20, 82, 74, 14, 85, 90, 68.

(a) How many classes are there in the frequency distribution table?

(b) Which weight group has the highest frequency?

**☛ Also Check: ** NCERT Solutions for Class 8 Maths Chapter 5

**NCERT Exemplar Class 8 Maths Chapter 2 Problem 100**

## Construct a frequency distribution table for the following weights (in grams) of 35 mangoes, using the equal class intervals, one of them is 40 - 45 (45 not included). 30, 40, 45, 32, 43, 50, 55, 62, 70, 70, 61, 62, 53, 52, 50, 42, 35, 37, 53, 55, 65, 70, 73, 74, 45, 46, 58, 59, 60, 62, 74, 34, 35, 70, 68. (a) How many classes are there in the frequency distribution table, (b) Which weight group has the highest frequency?

**Summary:**

The frequency table is drawn for the given raw data.

**☛ Related Questions:**

- Complete the following table: Find the total number of persons whose weights are given in the above . . . .
- Draw a histogram for the following data. Class interval 10-15 15-20 20-25 25-30 30-35 35-40 Frequenc . . . .
- In a hypothetical sample of 20 people, the amount of money (in thousands of rupees) with each was fo . . . .

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