# Statistics

Khan Academy Course , Prof. Salman Khan

### Lecture 12: Binomial Distribution 4

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##### Lecture Details :

Using Excel to visualize the basketball binomial distribution
More free lessons at: http://www.khanacademy.org/video?v=H0ZgOGWUcJw

##### Course Description :

Statistics: The average | Descriptive statistics,Sample vs. Population Mean,Variance of a population,Sample variance,Standard -deviation,Alternate variance formulas - Introduction to Random Variables - Probability density functions - Binomial Distribution - Expected Value: E(X) - Expected value of binomial distribution - Poisson process - Law of large numbers - Normal distribution excel exercise - Introduction to the normal distribution - ck12.org normal distribution problems: Qualitative sense of normal distributions - ck12.org normal distribution problems: z-score - ck12.org normal distribution problems: Empirical rule - k12.org exercise: Standard normal distribution and the empirical - ck12.org: More empirical rule and z-score practice - Central limit theorem - Sampling distribution of the sample mean - Standard error of the mean - Sampling distribution example problem - Confidence interval - Mean and variance of Bernoulli distribution example - Bernoulli distribution mean and variance formulas - Margin of error - Confidence interval example - Small sample size confidence intervals - Hypothesis testing and p-values - One-tailed and two-tailed tests - Z-statistics vs. T-statistics - Small sample hypothesis test - T-statistic confidence interval - Large sample proportion hypothesis testing - Variance of differences of random variables - Difference of sample means distribution - Confidence interval of difference of means - Clarification of confidence interval of difference of means - Hypothesis test for difference of means - Comparing population proportions

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