21 July 2022

• curprev 18:1618:16, 21 July 2022‎ imported>Doug Williamson‎ 505 bytes +24‎ Add link.

21 March 2018

• curprev 13:5413:54, 21 March 2018‎ imported>Doug Williamson‎ m 481 bytes +35‎ Categorise.

15 January 2016

• curprev 20:4320:43, 15 January 2016‎ imported>Doug Williamson‎ 446 bytes +10‎ Improve calculations.

29 March 2015

• curprev 10:3210:32, 29 March 2015‎ imported>Doug Williamson‎ 436 bytes −14‎ Remove main text reference to expected value.

14 March 2015

• curprev 15:2015:20, 14 March 2015‎ imported>Doug Williamson‎ 450 bytes +6‎ Align presentation of formula with qualification material

20 September 2014

• curprev 13:5613:56, 20 September 2014‎ imported>Doug Williamson‎ m 444 bytes +7‎ Added more space so that calculations are clearer

29 July 2013

• curprev 10:3910:39, 29 July 2013‎ imported>Doug Williamson‎ m 437 bytes +1‎ Spacing

28 March 2013

• curprev 17:1017:10, 28 March 2013‎ imported>Doug Williamson‎ m 436 bytes −1‎ Corrected Geometric mean

24 October 2012

• curprev 07:4807:48, 24 October 2012‎ imported>Administrator‎ 437 bytes −2‎ No edit summary

23 October 2012

• curprev 14:0114:01, 23 October 2012‎ imported>Administrator‎ 439 bytes +439‎ CSV import