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# Understanding Data

Whether you're trying to analyze a political poll, the results of a scientific study, or just your sleeping habits, data is the best tool for understanding the world around you. Dive in and see how!

# Data - Range

For a test which is scored out of 100, half of the students scored 70 and the other half of the students scored 81. What is the range of their scores?

$\{ 4, 7, 10, 18, 26 \}$

What is the range of the above set?

$\begin{array} &-14, &21, &-17, &25, &0, &-19, &11, &-20, &18\end{array}$

The above are the points by which Jack's basketball team won/lost against his rival team in the last 9 games. What is the range of these points?

$\{ -3, 7, 10, -25, 35 \}$

What is the range of the above set?

10 students took a test that was scored out of 10.
1 of them got a score of 3,
3 of them got a score of 5,
and 6 of them got a score of 7.

What is the range of scores?

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