Quartiles | Lower Quartile, Median, and Upper Quartile | Math with Mr. J
From Math with Mr. J
12 min6thMath
Summary
How to find the mean, median, mode, and range of a data set -- and read them from tables, dot plots, and box plots. Mr. J works each measure step by step.
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Teaching resources
Discussion questions
Mean, median, and mode each describe the 'center' of data in a different way; range describes its spread.
- How do you find the mean (average) of a set of numbers?
- What is the difference between the median and the mode?
- What does the range tell you about the data?
Quick work-a-long
Words to know: mean, median, mode, range, average
- Find the mean of 4, 8, and 6.
- Find the median and mode of 3, 7, 3, 9, 5.

