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ZingPath: Plots and Charts

Line Plot

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Line Plot

Algebra-1

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You will collect and represent data on a line plot.

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Now You Know

After completing this tutorial, you will be able to complete the following:

  • Collect and represent data on a line plot.
  • Identify the range, mode, outliers, and data clusters or gaps of a set data displayed on a line plot.

Everything You'll Have Covered

The Activity Object examines the real-life scenario of taking a survey. Be sure that students are familiar with the concept of a survey. Many examples of surveys can be found in magazines and newspapers. Bring in a few examples to share with the students prior to presenting the Activity Object. Students are introduced to data collection and analysis with a focus on key vocabulary such as, range, mode, outliers, gap, and cluster. After completing the Activity Object, some students may require more exposure to these terms.

Line plot: a graph that shows the frequency of data along a number line

Cluster: the interval of points grouped closely together

The cluster of the above data is 6-9.

Gap: the largest interval where no data occurs

The gap of the above data is 9-15.

Mode: the most repeated data point

The mode of the above data is 8.

Outlier: the point(s) of data relatively isolated from the rest of the data

The outlier of the above data is 15.

Range: the difference between the greatest and least values in a set of data

The range of the above data is 14 (15-1).

Tutorial Details

Approximate Time 20 Minutes
Pre-requisite Concepts Students should know measures of central tendency.
Course Algebra-1
Type of Tutorial Concept Development
Key Vocabulary cluster, data, gap