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Creating dot plots
Creating-dot-plots 256
Description
Exercise Name: Creating dot plots
Math Missions: 6th grade (U.S.) Math Mission, High school statistics and probability Math Mission
Types of Problems: 2

The topic Creating dot plots appears under the 6th grade (U.S.) Math Mission and High school statistics and probability Math Mission. This exercise practices the creation of dot plots from raw information.

Types of Problems

There are two types of problems in this exercise:

  1. Create the dot plot from the list of raw data: This problem provides a list of raw information and a number line. The user is asked to use the number line to create a dot plot of the given information.
    Cdp1

    Create the dot plot from the list of raw data

  2. Label the axis: This problem provides a completed dot plot and an explanation of how it was created. The user is asked to select the correct way to label one of the axes.
    Cdp2

    Label the axis

Strategies

The prerequisite knowledge for this problem is basic statistical displays and ability to label information in charts and graphs.

  1. The manipulative is not great, it sometimes makes dots half appear when a certain value is overshot.
  2. When creating a plot it can be easier to choose the smallest value on the number line, count the times that occurs, and proceed in a logical order.
  3. The vertical axis in a dot plot is always a count of how many times something occurs, where as the horizontal axis is the value of some variable.

Real-life Applications

  1. Data and statistics appear in news reports and in the media every day.
  2. Many of the problems in this exercise could be viewed as real-life applications.
  3. Statistics can be seen more frequently than calculus in every day life.

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