1. Lesson 1

1.1. Launch

Mathematics 20-2 Module 4

Module 4: Statistical Reasoning

 
Launch
 
Are You Ready?
  1. Calculate the mean, median, mode, and range of the following set of data: 35, 23, 16, 24. Answer

  2. Use the gizmo “Mean, Median and Mode” to find the mean, median, and mode of a bunch of frogs. Answer

    This is a screenshot for Mean, Median and Mode.
    Screenshot reprinted with permission of ExploreLearning


  3. Create a sentence that makes mathematical sense and that uses the number 6 and the words median, mean, and less. Answer

  4. The following numbers (in any order) represent the mean, median, mode, and range for a set of data:

     
    12, 13, 14, 7

    Which number makes the most sense for the range? Why? Answer
Refresher
 

search

For a review of how the mean, median, mode, and range can be used to represent data, type the words “NutShell Math Mean, Median, and Mode” into your favourite Internet search engine.

 

For further review, you may want to look at Mathematics Glossary for definitions of the terms mean, median, mode, and range. Click on Grades 7–9 and then choose the letter M. You can then find measures of central tendency, mean, median, and mode. Select the letter R to find out about range.