Education And Debate Statistics Notes

Standard deviations and standard errors

BMJ 2005; 331 doi: https://doi.org/10.1136/bmj.331.7521.903 (Published 13 October 2005) Cite this as: BMJ 2005;331:903

Article usage

Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.

Usage statistics: October 2005 to November 2017

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FullPdf
Oct 200551642936
Nov 2005967472
Dec 2005504198
Jan 2006200223
Feb 2006147165
Mar 2006179204
Apr 2006155127
May 2006120139
Jun 20068796
Jul 2006121120
Aug 200695125
Sep 2006105111
Oct 2006291254
Nov 2006228227
Dec 2006172192
Jan 2007240287
Feb 2007265260
Mar 2007283175
Apr 2007223131
May 2007213129
Jun 2007173110
Jul 2007244107
Aug 20071022155
Sep 20071543189
Oct 20072279222
Nov 20072379248
Dec 20071633146
Jan 20081833211
Feb 20082266207
Mar 20082534244
Apr 20082047159
May 20082096218
Jun 20081985178
Jul 20081753159
Aug 20081484196
Sep 20082691205
Oct 20082986198
Nov 20083623313
Dec 20082989333
Jan 20091544215
Feb 20091699260
Mar 20092024200
Apr 20091337233
May 20091024165
Jun 20091062159
Jul 2009814168
Aug 2009890138
Sep 20091230173
Oct 20091683205
Nov 20091789199
Dec 20091170130
Jan 20101276182
Feb 20101543186
Mar 20101863216
Apr 20101405191
May 20101429183
Jun 20101148176
Jul 20101105170
Aug 20101060137
Sep 20101235189
Oct 20101176195
Nov 20101243213
Dec 2010807112
Jan 2011895156
Feb 20111409196
Mar 20111221170
Apr 2011741131
May 2011756128
Jun 2011728131
Jul 2011875123
Aug 20111572169
Sep 20112046184
Oct 20114295266
Nov 20114122288
Dec 20114325277
Jan 20121960246
Feb 20121539196
Mar 20121192183
Apr 20121405170
May 20121270138
Jun 201268096
Jul 2012643118
Aug 2012612121
Sep 201256495
Oct 2012829118
Nov 2012861101
Dec 201240551
Jan 201345742
Feb 201360060
Mar 201360055
Apr 201359172
May 201362881
Jun 201354080
Jul 2013716100
Aug 201353372
Sep 201348779
Oct 201380898
Nov 2013978105
Dec 201363274
Jan 201466193
Feb 2014886108
Mar 20141094123
Apr 201456284
May 201445049
Jun 201438457
Jul 2014504101
Aug 201440489
Sep 2014536146
Oct 201435869
Nov 201469777
Dec 201451887
Jan 2015739161
Feb 2015620187
Mar 2015822315
Apr 2015717232
May 2015583126
Jun 2015369121
Jul 201530275
Aug 2015433108
Sep 2015666237
Oct 201570969
Nov 2015708100
Dec 201545778
Jan 201666189
Feb 201656397
Mar 2016484101
Apr 201639592
May 2016450106
Jun 201643184
Jul 201648868
Aug 201651480
Sep 2016523103
Oct 2016690118
Nov 2016694105
Dec 201647969
Jan 2017921123
Feb 2017748102
Mar 2017810129
Apr 2017525114
May 2017586124
Jun 2017482101
Jul 201742599
Aug 2017561112
Sep 2017538104
Oct 2017622120
Nov 201739685
Total14855524751