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- ...a]], [[counting]], [[geometry]], [[number theory]], [[probability]], and [[statistics]]. The focus of MATHCOUNTS curriculum is in developing [[mathematical prob ...ions. A few states don't need to host chapter competitions due to a small population size.10 KB (1,512 words) - 20:12, 25 February 2025
- ...inferences from the data after statistical procedures have been performed. Statistics is not to be confused with [[probability]]. ...ics can also be misleading, as shown in the classic book ''How to Lie with Statistics'' by Darrell Huff.2 KB (212 words) - 21:42, 13 February 2016
- ...at one conducts when the population standard deviation is known. Since the population standard deviation is usually unknown, [[t-tests]] are more common. The population must be normal488 bytes (76 words) - 21:52, 13 February 2016
- ...of the three factors, the probability that a randomly selected man in the population has only this risk factor (and none of the others) is 0.1. For any two of t ...ion of <math>100</math> to facilitate solving. Then we simply organize the statistics given into a Venn diagram.2 KB (371 words) - 14:19, 28 February 2022
- ...math> denotes sample standard deviation, while <math>\sigma</math> denotes population standard deviation. [[Category:Statistics]]1 KB (226 words) - 18:17, 3 March 2022
- ===Population=== ...math>\overline{x}</math> the formula for variance if <math>X</math> is a [[population]] is <cmath>V = \frac{1}{n}\sum_{i=1}^n (x_i - \overline{x})^2.</cmath>749 bytes (122 words) - 18:16, 3 March 2022