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Compare distributions and identify outliers
Free examples and worked answers. No account needed.
Practise the method.
Compare distributions and identify outliers
Compare distributions and identify outliers
Example 1
What is Group B’s median minus Group A’s median?
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Answer: −15
- 30−45=−15.
Example 2
Which group has the more consistent middle half of scores?
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Answer: Group A
- A smaller IQR means less spread in the middle half.
- Group A IQR=20;
- Group BIQR=40.
Example 3
Can these box plots tell you how many students are in each group?
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Answer: No, the sample sizes are not shown
- A box plot summarises location and spread.
- Its width is not a frequency or sample size.
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