## Exam Style Question## Worked solutions to typical exam type questions that you can reveal gradually |

Question id: 219. This question is similar to one that appeared in a GCSE Higher paper (specimen) for 2017. The use of a calculator is allowed.

The table shows the test marks for 31 students.

Percentage (p) | Frequency |

5 ≤ p < 15 | 2 |

15 ≤ p < 25 | 3 |

25 ≤ p < 35 | 4 |

35 ≤ p < 45 | 3 |

45 ≤ p < 55 | 8 |

55 ≤ p < 65 | 8 |

65 ≤ p < 75 | 2 |

75 ≤ p < 85 | 1 |

Marco drew this cumulative frequency graph using the data.

Make three criticisms of Marco’s graph.

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