## Probability and Statistics

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#### 课程详情

Independent and dependent events
Introduction to probability. Independent and dependent events. Compound events. Mutual exclusive events. Addition rule for probability.

Probability and combinatorics
Permutations and combinations. Using combinatorics to solve questions in probability.

Random variables and probability distributions
Random variables. Expected value. Probability distributions (both discrete and continuous). Binomial distribution. Poisson processes.

Descriptive statistics
Measures of central tendency and dispersion. Mean, median, mode, variance, and standard deviation.

Regression
Fitting a line to points. Linear regression. R-squared.

Inferential statistics
Making inferences based on sample data. Confidence intervals. Margin of error. Hypothesis testing.

#### 课程评论(1条)

 2 52nlp 2013-05-24 17:45 2 票支持; 0 票反对 微博上有朋友让推荐概率与统计课，刚才回得有些简短，这里可以多写一些。 这门课程也是今年春节后跟的，和Codecademy相似，每天我会看一两个视频或做几个练习，这样虽然每天的量很少，但是持续下来这门课也快学完了，目前在Kehan上的积分是接近11万分，不过可汗学院上看一个视频或者做一套练习就可以拿750分，也不算多，但是我相信持续积累的力量。 回到这门课，可汗老师基本上在白板上边写边讲，通俗易懂，另外一个就是它的配套练习系统了，没有一定的正确率是不让你通过的。网易公开课虽然有这门课的视频，但是缺少了练习，好像就丢了魂。虽然以前在学校里学过概率和统计，特别是后者，感觉很多基本概念没有在脑子中留下印记。这门课刚好给我补回了很多基本的概念，有些概念我会再查一下wiki，配合着一些有趣的视频让后在我的英文博客上凑一篇笔记，这样印象就更深刻了。感兴趣的同学可以看这里Kehan Academy Notes

#### 课程简介

Introduction of the basics of Probability and Statistics