tag:blogger.com,1999:blog-1667378499135678086.post5411698417311709698..comments2021-03-06T06:51:25.773-05:00Comments on Musings on project management: Confidence interval in 7 deadly sinsJohnhttp://www.blogger.com/profile/04852874885562983654noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-1667378499135678086.post-46191883346154288052020-08-02T23:34:09.573-04:002020-08-02T23:34:09.573-04:00This is an awesome post.Really very informative an...This is an awesome post.Really very informative and creative contents. These concept is a good way to enhance the knowledge.I like it and help me to development very well.Thank you for this brief explanation and very nice information.Well, got a good knowledge.<br /><a href="https://www.apptivo.com/solutions/project-management/?utm_source=SEO&utm_medium=backlinks&utm_term=2020" rel="saivenkathttps://www.blogger.com/profile/07265662654934474648noreply@blogger.comtag:blogger.com,1999:blog-1667378499135678086.post-34090734282413717662011-05-09T21:17:13.741-04:002011-05-09T21:17:13.741-04:00Winfried: thanks for the two catches: yes, the N-1...Winfried: thanks for the two catches: yes, the N-1 should have been N; it is correct in the linked slideshare paper, but it got typo'd in this posting.<br /><br />And, yes, the 2-tail T value is 2.306. I used a 2 tail function in the spreadsheet, but when I set up the DF in the excel formula, I put in a cell value for N-1. Then, sometime later, when I went to use the table, I forgot the Johnhttps://www.blogger.com/profile/04852874885562983654noreply@blogger.comtag:blogger.com,1999:blog-1667378499135678086.post-52845714759913256042011-05-09T12:14:33.433-04:002011-05-09T12:14:33.433-04:00Hi John,
regarding the computation of the confide...Hi John,<br /><br />regarding the computation of the confidence intervall around V-Bar:<br />- The T-value is 2.306, not 2.36 (8 degrees of freedom, two-tailed, p = 0.975)<br />- sqrt(9), not sqrt(8), because the margin of error depends on the sample size, not on the degrees of freedom<br /><br />More important than the calculation is checking of the necessary conditions:<br />- Are the 'SunKidDancehttps://www.blogger.com/profile/17976901812287174563noreply@blogger.comtag:blogger.com,1999:blog-1667378499135678086.post-41225270844013719592011-05-05T23:39:52.371-04:002011-05-05T23:39:52.371-04:00My take on the 7 sins
http://herdingcats.typepad.c...My take on the 7 sins<br />http://herdingcats.typepad.com/my_weblog/2011/02/the-seven-deadly-sins-of-project-management.htmlAnonymousnoreply@blogger.com