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Statistics

Introduction to statistics. Will eventually cover all of the major topics in a first-year statistics course.

University

Khan Academy

Professor

Salman Khan

Lectures

67 Lectures

University

Khan Academy

Professor

Salman Khan

Lectures

67 Lectures

WATCH NEXT IN STATISTICS

Lecture 1

Statistics; The Average

Lecture 2

Statistics; Sample vs. Population Mean

Lecture 3

Statistics; Variance of a Population

Lecture 4

Statistics; Sample Variance

Lecture 5

Statistics; Standard Deviation

Lecture 6

Statistics; Alternate Variance Formulas

Lecture 7

Introduction to Random Variables

Lecture 8

Probability Density Functions

Lecture 9

Binomial Distribution 1

Lecture 10

Binomial Distribution 2

Lecture 11

Binomial Distribution 3

Lecture 12

Binomial Distribution 4

Lecture 13

Expected Value; E(X)

Lecture 14

Expected Value of Binomial Distribution

Lecture 15

Poisson Process 1

Lecture 16

Poisson Process 2

Lecture 17

Law of Large Numbers

Lecture 18

Normal Distribution Excel Exercise

Lecture 19

Introduction to the Normal Distribution

Lecture 20

Normal Distribution Problems; Qualitative sense of normal distributions

Lecture 21

Normal Distribution Problems; z

Lecture 22

Normal Distribution Problems; Empirical Rule

Lecture 23

Exercise; Standard Normal Distribution and the Empirical Rule

Lecture 24

More Empirical Rule and Z

Lecture 25

Central Limit Theorem

Lecture 26

Sampling Distribution of the Sample Mean

Lecture 27

Sampling Distribution of the Sample Mean 2

Lecture 28

Standard Error of the Mean

Lecture 29

Sampling Distribution Example Problem

Lecture 30

Confidence Interval 1

Lecture 31

Mean and Variance of Bernoulli Distribution Example

Lecture 32

Bernoulli Distribution Mean and Variance Formulas

Lecture 33

Margin of Error 1

Lecture 34

Margin of Error 2

Lecture 35

Confidence Interval Example

Lecture 36

Small Sample Size Confidence Intervals

Lecture 37

Hypothesis Testing and P

Lecture 38

Lecture 39

Z

Lecture 40

Lecture 41

Small Sample Hypothesis Test

Lecture 42

T

Lecture 43

Large Sample Proportion Hypothesis Testing

Lecture 44

Variance of Differences of Random Variables

Lecture 45

Difference of Sample Means Distribution

Lecture 46

Confidence Interval of Difference of Means

Lecture 47

Clarification of Confidence Interval of Difference of Means

Lecture 48

Hypothesis Test for Difference of Means

Lecture 49

Comparing Population Proportions 1

Lecture 50

Comparing Population Proportions 2

Lecture 51

Hypothesis Test Comparing Population Proportions

Lecture 52

Squared Error of Regression Line

Lecture 53

Proof (Part 1) Minimizing Squared Error to Regression Line

Lecture 54

Proof (Part 3) Minimizing Squared Error to Regression Line

Lecture 55

Proof (Part 4) Minimizing Squared Error to Regression Line

Lecture 56

Regression Line Example

Lecture 57

Proof Part 2 Minimizing Squared Error to Line

Lecture 58

R

Lecture 59

Second Regression Example

Lecture 60

Lecture 61

Covariance and the Regression Line

Lecture 62

Lecture 63

Pearson's Chi Square Test (Goodness of Fit)

Lecture 64

Contingency Table Chi

Lecture 65

Lecture 66

Lecture 67