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Topic/objective: TWO-WAY TABLES Ricardo surveyed 110 eighth grade students to find out if they have a part time job. There are 60 students who have a part-time.

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Presentation on theme: "Topic/objective: TWO-WAY TABLES Ricardo surveyed 110 eighth grade students to find out if they have a part time job. There are 60 students who have a part-time."— Presentation transcript:

1 Topic/objective: TWO-WAY TABLES Ricardo surveyed 110 eighth grade students to find out if they have a part time job. There are 60 students who have a part-time job, including 48 honor roll students. Half of the students who do not have a job are on the Honor Roll. Construct a two-way table summarizing the data. Lesson 9.3 EQ: How do you construct a “Two Way Table” Each entry is called a joint frequency. Each total is called a marginal frequency

2 Customers entering a store were asked what electronic technology they own. The results of the survey are shown below. Find and interpret the relative frequencies by row. Rows Laptop: The frequency of laptop owners that own an E-reader The frequency of laptop owners don’t own an E-reader Relative frequency: compares one category of data to another.

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