Finding an Estimate for Interquartile Range

Finding an Estimate for Interquartile Range

Assessment

Interactive Video

Mathematics, Performing Arts

10th - 12th Grade

Hard

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Quizizz Content

FREE Resource

The video tutorial explains how to use a cumulative frequency graph to estimate the interquartile range and analyze film lengths. It covers calculating the interquartile range by identifying upper and lower quartiles and determining the percentage of films over 120 minutes. The tutorial also includes verifying a claim about the percentage of films exceeding a certain length.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the total number of films represented in the cumulative frequency graph?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What percentage of films are over 120 minutes long, and how did you calculate it?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how to determine the number of films that are over 120 minutes long using the graph.

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