# 5.9.2. Organizing and Displaying Data

The following table shows the marks of 32 students in a mathematics exam:

36 | 24 | 27 | 18 | 43 | 11 | 27 | 45 |

34 | 24 | 14 | 42 | 14 | 18 | 32 | 12 |

39 | 13 | 45 | 23 | 44 | 26 | 11 | 30 |

21 | 29 | 14 | 10 | 29 | 28 | 45 | 24 |

What is the highest mark?

Show SolutionThe following table shows the marks of 32 students in a mathematics exam:

38 | 18 | 41 | 18 | 24 | 16 | 12 | 26 |

25 | 29 | 43 | 46 | 16 | 35 | 45 | 37 |

15 | 27 | 17 | 17 | 35 | 49 | 29 | 27 |

20 | 36 | 49 | 40 | 24 | 24 | 16 | 37 |

What is the lowest mark?

Show SolutionIn a classroom with 40 students, a teacher wanted to know the days of absence of each student. If the data that was collected is as shown in the table below, determine the frequency of each set.

6 | 4 | 0 | 5 | 4 | 2 | 2 | 2 | 6 | 4 |

1 | 3 | 2 | 6 | 6 | 3 | 0 | 1 | 6 | 1 |

4 | 5 | 0 | 4 | 6 | 1 | 3 | 6 | 3 | 1 |

1 | 5 | 2 | 6 | 3 | 5 | 1 | 6 | 6 | 0 |

Sets | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
---|---|---|---|---|---|---|---|

Frequency |

- A
- B
- C
- D

The following table shows the maximum temperatures recorded daily throughout November:

21 | 23 | 22 | 25 | 25 | 27 | 23 | 23 | 25 | 25 |

23 | 22 | 21 | 23 | 27 | 28 | 28 | 24 | 26 | 23 |

28 | 22 | 26 | 23 | 27 | 25 | 23 | 28 | 28 | 24 |

Determine the minimum temperature.

Show SolutionIf November's weather forecast is recorded in the table below, determine the maximum temperature.

22 | 25 | 23 | 20 | 24 | 24 | 28 | 27 | 25 | 19 |

19 | 20 | 25 | 26 | 24 | 27 | 27 | 27 | 27 | 26 |

20 | 28 | 21 | 27 | 27 | 27 | 27 | 22 | 27 | 26 |

If November's weather forecast in a city is recorded in the table below, determine the range.

27 | 28 | 24 | 25 | 24 | 25 | 23 | 26 | 20 | 23 |

24 | 20 | 27 | 26 | 19 | 22 | 26 | 23 | 26 | 25 |

24 | 27 | 24 | 26 | 27 | 21 | 23 | 24 | 22 | 24 |

The frequency table below shows the weights of 40 students in a class. What is the total number of students who weigh kg or more?

Sets | 30– | 35– | 40– | 45– | 50– | Total |
---|---|---|---|---|---|---|

Frequency | 4 | 9 | 11 | 7 | 9 | 40 |

The frequency table below shows the weights of 40 students in a class. What is the total number of students who weigh less than kg?

Sets | 30– | 35– | 40– | 45– | 50– | Total |
---|---|---|---|---|---|---|

Frequency | 5 | 8 | 12 | 9 | 6 | 40 |

The frequency table below shows the weights of 40 students in a class. What is the total number of students who weigh less than kg?

Sets | 30– | 35– | 40– | 45– | 50– | Total |
---|---|---|---|---|---|---|

Frequency | 5 | 7 | 10 | 11 | 7 | 40 |

Complete the missing value in the frequency table below, given that it represents some students’ marks in an exam.

Marks | 0– | 2– | 4– | 6– | 8– | Total |
---|---|---|---|---|---|---|

Frequency | 7 | 16 | 12 | 16 | 9 |

The table below shows the scores of 30 students in a monthly maths exam. Find the total number of students who got excellent grade if it starts from 36 marks or more.

32 | 33 | 34 | 50 | 31 | 30 | 25 | 27 | 46 | 44 |

23 | 50 | 29 | 35 | 50 | 33 | 31 | 22 | 38 | 40 |

30 | 32 | 47 | 46 | 21 | 32 | 29 | 26 | 23 | 40 |