Lesson: Making and Interpreting Frequency Tables

In this lesson, we will learn how to summarize data using frequency tables in order to better understand them.

Sample Question Videos

Q1:

The table shows sales of four types of television in an electronics shop from 2012 to 2015. Which television was sold in the lowest quantity?

Television	2012	2013	2014	2015
HD 32 inches	1 650	1 600	1 550	1 400
LED 32 inches	1 500	1 500	1 500	1 500
HD 42 inches	1 800	1 850	1 900	2 400
LED 42 inches	2 000	1 800	2 100	2 300

Q2:

The table shows sales of four types of television in an electronics shop from 2012 to 2015. The sales of which television increased year on year?

TV Specs	2012	2013	2014	2015
HD 32"	2 050	2 000	1 850	1 600
LED 32"	500	500	500	500
HD 42"	1 800	1 650	1 850	2 150
LED 42"	1 500	2 000	2 500	2 550

Q3:

The table shows sales of four types of TV in an electronics shop from 2012 to 2015. For which TV were the sales consistent across all years?

Type of TV	Sales in 2012	Sales in 2013	Sales in 2014	Sales in 2015
HD 32 inches	2 200	2 200	2 200	2 200
LED 32 inches	2 500	2 350	2 150	2 100
HD 42 inches	1 600	1 650	1 750	1 850
LED 42 inches	2 400	2 350	2 450	2 800

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