Movie Reviewer (Mean and Median)


Movie reviewers rate movies on a scale of 0 to 10. Each movie comes with a set of reviews that can be changed by the user. The mean of a data set can be explored using a see-saw balance model. Students can also find the median, mode, and range of the data set.

Screenshot of Movie Reviewer (Mean and Median) Gizmo

LESSON MATERIALS:

LEARNING OBJECTIVES:

  • Calculate the mean of a set of data.
  • Understand and interpret mean as a balanced center of data.
  • Calculate the median of a set of data.
  • Identify outliers and understand their effect on mean and median.

VOCABULARY:

  • data, mean, median, outlier

User Recommendations (1):

  • avatar
    This Gizmo is a great visual representation of the abstract concepts of mean, median, and mode!

    MATH:  3rd Grade, 4th Grade, 5th Grade, 6th Grade, 7th Grade, 8th Grade | Math 6, Math 7, Math 8

    By: Lisa Bickel (Virginia) | Recommended 396 days ago

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    2010, 2009, 2006 AEP

  • Finalist: Golden Lamp Award

    2009, 2008, 2006 AEP

  • Finalist: Best Math Instructional Solution

    2009, 2008, 2006 SIIA CODiE Awards

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