# Frequency Histogram

See how to make and read a frequency histogram.

2 examples and their solutions.

## Frequency Histogram

### Example

For the given test scores, make a frequency histogram.

Solution
Interval | Frequency |
---|---|

50-59 | 2 |

60-69 | 3 |

70-79 | 7 |

80-89 | 6 |

90-99 | 2 |

Interval | Frequency |
---|---|

50-59 | 2 |

60-69 | 3 |

70-79 | 7 |

80-89 | 6 |

90-99 | 2 |

[2]

x-axis: Test score intervals

y-axis: Frequency

(frequency) = (height of the bar)

y-axis: Frequency

(frequency) = (height of the bar)

[3]

There should be no space between the bars.

Close

### Example

For the given histogram,

find the number of students whose scores are less than 70.

Solution
find the number of students whose scores are less than 70.

3 + 6 = 9

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