 Statistics

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

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 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

One Lecture 39

Z Lecture 40

Type 1 Errors 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

Calculating R Lecture 61

Covariance and the Regression Line Lecture 62

Chi Lecture 63

Pearson's Chi Square Test (Goodness of Fit) Lecture 64

Contingency Table Chi Lecture 65

ANOVA 1 Lecture 66

ANOVA 2 Lecture 67

ANOVA 3