Suggested answer to exercise: Checking student data, 2

Question 2: Draw histograms of the head circumference data. How does the information revealed compare to that shown using frequencies?

Suggested answer

Using Graphs, Histogram, and choosing the variable head circ1, we get:

I have of course edited this to make it easier to read on a web page. Try to do the same. You can change the format of the numbers in the scale using Number Format in the chart editor.

The histogram for head circ 2 is similar:

The histograms make the small head circumferences stand out very well, but do not reveal the digit preference.

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Last updated: 19 October, 2006.

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