Introduction to mean, median, mode, and range

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Intros
Lessons
  1. Analyzing data sets: what are the measures of central tendency?
  2. Finding the range of a data set
  3. Finding the median of a data set
  4. Finding the mode of a data set
  5. Finding the mean (average) of a data set
  6. Review on mean, median, mode and range
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Examples
Lessons
  1. Range of a data set
    Circle the biggest number, underline the smallest number, and calculate the range.
    1. These are the scores of five students on a math quiz out of 20:
      16, 17, 19, 16, 15
    2. A group of friends recorded their scores in a video game:
      75, 66, 81, 92, 84
  2. Median of a data set
    Find the median for the list of numbers
    • Hint: the numbers must be in order from least to greatest
    1. 1, 3, 5, 6, 8
    2. 86, 47, 11, 52, 73, 62, 29
    3. 18, 23, 25, 31, 36, 49
    4. 100, 137, 96, 110
  3. Mean (average) of a data set
    Find the mean (average) of the numbers. Show your work.
    1. 7, 4, 6, 5, 8
    2. 17, 23, 16, 24
    3. 8, 2, 3, 7, 5, 1, 9
  4. Understanding the mean (average): word problem
    The table below shows the quiz grades of five students.

    Basics of Coordinate Plane
      1. What was the average grade for the science quiz?
      2. What was the average grade for the math quiz?
      3. On which quiz did the students do better on overall?
    1. The teacher says that Student #3 did better on the Math quiz than on the Science quiz. Why is this true even though they have the same mark in both subjects?
    2. For the students' English quiz, the five classmates had an average grade of 6. Find two possible sets of grades that would give an average grade of 6.

      Basics of Coordinate Plane
  5. Finding the mean, median, mode and range for a bar graph

    Basics of Coordinate Plane
    1. Using the bar graph, fill in the numbers for the table
      Basics of Coordinate Plane
    2. Find the range of the data.
    3. Find the mode of the data.
    4. ind the median of the data.
    5. Find the mean of the data.