Complete two-way tables and identify associations in the data.
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The following materials are needed for this lesson: calculators.
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A survey asked a sample of residents of Boston and Worcester how many languages they spoke. The table below shows some of the data.
1 language | 2 languages | 3 or more languages | Total | |
Boston | 84 | 9 | 150 | |
Worcester | 18 | 5 | ||
Total | 75 | 230 |
1 language | 2 languages | 3 or more languages | Total | ||||
# | Frequency | # | Frequency | # | Frequency | ||
Boston | 84 | 9 | 150 | ||||
Worcester | 18 | 5 | |||||
Total | 75 | 230 |
An incomplete two-way table is shown below.
Prefer to exercise alone | Prefer to exercise with a group | |
Men | 30 | 60 |
Women | 12 |
Of the numbers 4, 24, or 60, which number could you put in the missing cell in order to indicate:
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The following resources include problems and activities aligned to the objective of the lesson that can be used to create your own problem set.
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A random sample of 100 eighth-grade students are asked to record two variables: whether they have a television in their bedrooms and if they passed or failed their last math test. The results of the survey are summarized below:
Pass | Fail | Total | |
Television in the bedroom | |||
No television in the bedroom | |||
Total |
Grade 8 Mathematics > Module 6 > Topic D > Lesson 14 of the New York State Common Core Mathematics Curriculum from EngageNY and Great Minds. © 2015 Great Minds. Licensed by EngageNY of the New York State Education Department under the CC BY-NC-SA 3.0 US license. Accessed Dec. 2, 2016, 5:15 p.m..
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