Asked by frazzled

Make a box and whisker plot of the data. 13,13,20,21,21,22,24,27.
I know the median is 21. The 3Q is 23
Min is 4 and the max is 27. But I can't figure what number is the Q1 because I don't know what number comes between 13 and 20. Is it 15 or 16.5?
Please help me understand. Thank you.

Answers

Answered by MathMate
"Min is 4 "
I do not find a 4 in the data. Is there a typo in the answer or the question?

Q1 is the median of the left half of data, which is 13,13|20,21
For the given data, Q1 equals the mean of 13 and 20, which makes 16.5.

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