Interquartile and Variance

Interquartile Range as a Measure of Variation

by: Ph-USA Guru

Fill in the Blanks

Find the median: 2, 5, 7, 8, 9, 10, 16

Fill in the Blanks

Find the median: 2, 4, 6, 8, 10, 12, 14, 16

Open Ended

Any question about finding the median?

Open Ended

When we analyze data, what are we looking for?

Poll

Test Scores: Would you expect a wide or narrow range?

• Yes

• No

Multiple Select

In this example, was the range a useful measure of variation to use to determine how a class of students performed?

• Yes

• No

PowerPoint

(Example)

Open Ended

Post your questions, clarifications or which part of the lesson in not clear to you?