Endgames Statistical question

Measures of spread

BMJ 2009; 338 doi: http://dx.doi.org/10.1136/bmj.b230 (Published 22 January 2009) Cite this as: BMJ 2009;338:b230
  1. John Fletcher, clinical epidemiologist
  1. 1BMJ, London WC1H 9JR
  1. jfletcher{at}bmj.com

    Which, if any, of the following are measures of spread?

    • a) Mode

    • b) Interquartile range

    • c) Skewness

    • d) Variance

    Answer

    b and d—When presenting numerical data it is useful to give an idea of the range …

    View Full Text

    Sign in

    Log in through your institution

    Free trial

    Register for a free trial to thebmj.com to receive unlimited access to all content on thebmj.com for 14 days.
    Sign up for a free trial

    Subscribe