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9 Commits

Author SHA1 Message Date
Simon Williams 221c312631 fix confusing whitespace in lib/stats 
test plan: N/A

Change-Id: I6baddd64b542fc4fb8c8388a718b9456db01e0a6
Reviewed-on: https://gerrit.instructure.com/59785
Tested-by: Jenkins
Reviewed-by: Strand McCutchen <smccutchen@instructure.com>
Product-Review: Simon Williams <simon@instructure.com>
QA-Review: Simon Williams <simon@instructure.com>
 2015-08-17 21:52:30 +00:00
Strand McCutchen d6597c107c fix Style/EmptyLineBetweenDefs issue 
Change-Id: Ib7b824043a7ac9196f06020e2ca42fe983565f0d
fixes: CNVS-20009
Reviewed-on: https://gerrit.instructure.com/52919
Reviewed-by: Cody Cutrer <cody@instructure.com>
Tested-by: Jenkins
Product-Review: Strand McCutchen <smccutchen@instructure.com>
QA-Review: Strand McCutchen <smccutchen@instructure.com>
 2015-04-29 16:28:39 +00:00
Eric Berry 5469a312ab fixed calculation of variance and standard deviation 
fixes CNVS-5744

test steps:
- visit the 'quiz statistics' page on a quiz
- ensure that the 'Standard Deviation' and 'Mean Score' on the
  right side appears to be accurate

Change-Id: Ib9b2da07f0280852fe2f979f1ed159e22809577e
Reviewed-on: https://gerrit.instructure.com/20445
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Jacob Fugal <jacob@instructure.com>
QA-Review: Myller de Araujo <myller@instructure.com>
Product-Review: Stanley Stuart <stanley@instructure.com>
 2013-05-09 18:50:05 +00:00
John Harrison 461e0355c5 updated stats and related specs for situations in which there is very little data and we want quartiles. 
Change-Id: Ic0610e536fc92e586f5b39bbd4a7080ccc8e522a
Reviewed-on: https://gerrit.instructure.com/8231
Tested-by: Hudson <hudson@instructure.com>
Reviewed-by: Jacob Fugal <jacob@instructure.com>
 2012-02-17 22:03:20 -07:00
John Harrison 4c3602cf9d updated stats lib to include quartiles method 
Change-Id: Ie949feca3066ef639959a49ced57e6ddcb46a6fa
Reviewed-on: https://gerrit.instructure.com/8159
Tested-by: Hudson <hudson@instructure.com>
Reviewed-by: Jacob Fugal <jacob@instructure.com>
 2012-01-27 12:17:35 -07:00
John Harrison 6ddcb223e4 updated stats lib to have histogram 
test plan: n/a

Change-Id: I1d6ee94a1f5917761c5fae6b276539ce32c78a93
Reviewed-on: https://gerrit.instructure.com/7344
Tested-by: Hudson <hudson@instructure.com>
Reviewed-by: JT Olds <jt@instructure.com>
 2011-12-13 10:46:01 -07:00
JT Olds 28c7973b01 simplifying and correcting the stats library 
testplan:
  * make a quiz and have a few students take it. check the
    quiz stats and make sure the average, max, min, and standard
    deviation are right.
  * make a quiz with no submissions and make sure the statistics
    aren't rendered where it makes no sense

Change-Id: I4dae0beaa85f606e22ba6d7e43787fe0922372e3
Reviewed-on: https://gerrit.instructure.com/7101
Reviewed-by: John Harrison <john@instructure.com>
Tested-by: JT Olds <jt@instructure.com>
 2011-11-29 13:22:59 -07:00
Zach Wily d590384c6b fix divide by zero on quiz statistics page 
Change-Id: I1b3c51c3d39cabb2e86e40ff5535f1b694df6dc4
Reviewed-on: https://gerrit.instructure.com/4299
Reviewed-by: Bracken Mosbacker <bracken@instructure.com>
Tested-by: Hudson <hudson@instructure.com>
 2011-06-21 08:00:07 -06:00
Brian Whitmer 8b8173dcc9 Initial commit. 
closes #6988138
 2011-01-31 18:57:29 -07:00