In statistics we have some odd rule of thumbs, despite evidence that does little to support it. All our classic texts say that if we have a sufficient sample size then we can make assumptions about the distribution of the sample mean based on the Central Limit Theorem. In cases that involve the t-distribution, if n ≥ 30 then we can apply the CLT and use the z-value instead of the t-value, and yet the t-value for any given significance level is still pretty far from the respective z-value....
The final exam schedule has been posted for some time, but if you haven't already done so you should take a look at the schedule for my classes - along with your other couses here. For my statistics classes 201:11, 201:14, and 333:10, your final exam schedule is below:
- STAT201 (11/14), December 11 at 14:00 hrs (2:00pm) Oland Centre Gym, Rows 2-28
- STAT333 (10), December 14 at 19:00 hrs (7:00pm), Annex 23A
School officially ends on December 4th, so you'll have plenty of time to prepare, just make...
Statistics is a funny thing. As the title eludes to, statistics can easily be misused on purpose, as in the case with a "Doctor" (he whose name must not be spoken) and the damage he did by fabricating a link between autism and vaccinations, or by mistake and/or ignorance. Statistics is defined as:
sta·tis·tics (noun) \stə-ˈtis-tiks\ : a branch of mathematics dealing with the collection, analysis, interpretation, and presentation of masses of numerical data