DuffsterCole Posted May 2, 2015 Report Share Posted May 2, 2015 (edited) Hi there! Are we meant to be using the population or the sample standard deviation, or both? My maths teacher taught us both, but didn't make it clear which to use, and it never seems to be specified in exam papers. Thank you! Edited May 2, 2015 by DuffsterCole Reply Link to post Share on other sites More sharing options...
Magician Posted May 2, 2015 Report Share Posted May 2, 2015 https://statistics.laerd.com/statistical-guides/measures-of-spread-standard-deviation.php Reply Link to post Share on other sites More sharing options...
Ossih Posted May 2, 2015 Report Share Posted May 2, 2015 We're always meant to use the population one Reply Link to post Share on other sites More sharing options...
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