Florida Grade 6 Math · Data Analysis and Probability

MA.6.DP.1.2: Mean, Median, Mode, and Range

What this Grade 6 benchmark means, worked examples, common mistakes, and a free printable worksheet.

Created by a Florida mom · Published by Tropical Learning LLC

What Is Benchmark MA.6.DP.1.2?

Students find and interpret the mean, median, mode, and range of a numerical data set in a real-world context.

Mean: add the values and divide by how many there are. Median: the middle value when the data are in order (with an even count, the mean of the two middle values). Mode: the most frequent value. Range: largest minus smallest.

Official benchmarkGiven a numerical data set within a real-world context, find and interpret mean, median, mode and range.

On the FAST test: part of the Grade 6 reporting category Geometric Reasoning, Data Analysis, and Probability, which is about 25–36% of the test.

Worked Examples

Worked Example 1

All Four Measures

Find the mean, median, mode, and range of 4, 7, 7, 9, 13.
  1. 1Mean: (4 + 7 + 7 + 9 + 13) ÷ 5 = 40 ÷ 5 = 8
  2. 2Median: the middle value is 7. Mode: 7 appears twice.
  3. 3Range: 13 − 4 = 9
Answer: Mean 8, median 7, mode 7, range 9

Worked Example 2

Median of an Even Number of Values

Find the median of 2.5, 3, 4.5, 6.
  1. 1The two middle values are 3 and 4.5.
  2. 2(3 + 4.5) ÷ 2 = 3.75
Answer: 3.75

Common Mistakes to Watch For

Finding the median without ordering the data

Wrong:The median of 8, 3, 10, 6 is (3 + 10) ÷ 2.

Order first: 3, 6, 8, 10. The median is (6 + 8) ÷ 2 = 7.

Dividing by the wrong count for the mean

Wrong:Mean of 12, 15, 18, 15: 60 ÷ 3 = 20

There are 4 values: 60 ÷ 4 = 15.

Helpful Math Tip

Ask which measure best describes a "typical" value. When one value is far from the rest, the median is usually more representative than the mean.

Related Grade 6 Skills

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Independent Educational Platform. FastChomp is published by Tropical Learning LLC and is not affiliated with, sponsored by, or endorsed by the Florida Department of Education. FAST and Star assessment names are referenced for informational purposes only. FastChomp practice questions are original educational materials, not official Florida FAST assessment questions.