Endgames
Statistical question
Continuous variables
BMJ 2008; 337 doi: https://doi.org/10.1136/bmj.a196 (Published 03 September 2008) Cite this as: BMJ 2008;337:a196
- John Fletcher, clinical epidemiologist
- 1BMJ, London WC1H 9JR
- jfletcher{at}bmj.com
How would you best begin to explore the distribution of a continuous variable?
a) Scatter plot
b) Box plot
c) Histogram
d) Hypothesis test
Answer
c—A histogram displays the frequency of all the data divided into suitable intervals.
A histogram is perhaps the most commonly used graphical method of …
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