Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ ¹ ² ³ °
 

You are not logged in. #1 20090719 13:28:54
ZScore/Statisticswhat is zscore? #2 20090719 17:15:01
Re: ZScore/StatisticsHi finitehelp; In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #4 20090720 00:07:25
Re: ZScore/Statistics
For instance with example a) This site has much more than this as well as a diagram on the right of the standard normal curve which is the key to understanding statistics. http://en.wikipedia.org/wiki/Standard_score
1.6915 = .3085 is the probability that a quart of buttermilk has more than 40 grams of butterfat. Last edited by bobbym (20090720 01:06:01) In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. #5 20090720 01:01:36
Re: ZScore/StatisticsI guess I would like to get a simpler explanation of z score. I understand if you broke it down a simple as you could. #6 20090720 01:10:09
Re: ZScore/StatisticsHi finitehelp; Last edited by bobbym (20090720 16:46:38) In mathematics, you don't understand things. You just get used to them. I have the result, but I do not yet know how to get it. All physicists, and a good many quite respectable mathematicians are contemptuous about proof. 