6th Grade Math Notes



Lesson 3N: Median, Mode, and Range

6.10B Identify mean, median, mode, and range of a set of data.

Words to Know:

median –

mode –

range –

Find the median, mode, and range of the following data set.

20, 7, 10, 15, 11, 20, 25, 15, 8

MEDIAN

1. Order the data from least to greatest.

2. The number in the middle of the data set is the median.

a. If there are two middle numbers, the mean of these numbers is the median.

MODE

1. Order the data from least to greatest.

2. The mode is the number or numbers that occur most often.

RANGE

1. Order the data from least to greatest.

2. The range is the difference between the greatest and least values of the set.

Identify the mean, median, mode, and range of the costs of backpacks in the table.

|Backpack |Cost |

|Blue |$12 |

|Red |$26 |

|Green |$18 |

|Yellow |$14 |

|Purple |$14 |

|Black |$8 |

Mean:

Median:

Mode:

Range:

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