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Introduction to statistics.  Will eventually cover all of the major topics in a first-year statistics course (not there yet!)

Khan Academy

12:35

Statistics: The average | Descriptive statistics | Probability and Statistics | Khan Academy

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6:42

Statistics: Sample vs. Population Mean

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12:23

Statistics: Variance of a population | Probability and Statistics | Khan Academy

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11:18

Statistics: Sample variance | Descriptive statistics | Probability and Statistics | Khan Academy

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13:07

Statistics: Standard deviation | Descriptive statistics | Probability and Statistics | Khan Academy

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12:17

Statistics: Alternate variance formulas | Probability and Statistics | Khan Academy

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12:04

Introduction to Random Variables

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10:02

Probability density functions | Probability and Statistics | Khan Academy

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12:16

Binomial Distribution 1

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11:05

Binomial Distribution 2

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13:27

Binomial Distribution 3

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10:46

Binomial Distribution 4

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14:53

Expected Value: E(X)

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16:56

Expected value of binomial distribution | Probability and Statistics | Khan Academy

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11:01

Poisson process 1 | Probability and Statistics | Khan Academy

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12:42

Poisson process 2 | Probability and Statistics | Khan Academy

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9:00

Law of large numbers | Probability and Statistics | Khan Academy

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26:04

Normal distribution excel exercise | Probability and Statistics | Khan Academy

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26:24

Introduction to the normal distribution | Probability and Statistics | Khan Academy

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10:53

ck12.org normal distribution problems: Qualitative sense of normal distributions | Khan Academy

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7:48

ck12.org normal distribution problems: z-score | Probability and Statistics | Khan Academy

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10:25

ck12.org normal distribution problems: Empirical rule | Probability and Statistics | Khan Academy

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8:16

k12.org exercise: Standard normal distribution and the empirical | Khan Academy

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5:57

ck12.org: More empirical rule and z-score practice | Probability and Statistics | Khan Academy

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9:49

Central limit theorem | Inferential statistics | Probability and Statistics | Khan Academy

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10:52

Sampling distribution of the sample mean | Probability and Statistics | Khan Academy

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13:20

Sampling distribution of the sample mean 2 | Probability and Statistics | Khan Academy

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15:15

Standard error of the mean | Inferential statistics | Probability and Statistics | Khan Academy

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14:28

Sampling distribution example problem | Probability and Statistics | Khan Academy

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8:20

Mean and variance of Bernoulli distribution example | Probability and Statistics | Khan Academy

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6:59

Bernoulli distribution mean and variance formulas | Probability and Statistics | Khan Academy

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15:02

Margin of error 1 | Inferential statistics | Probability and Statistics | Khan Academy

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10:05

Margin of error 2 | Inferential statistics | Probability and Statistics | Khan Academy

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18:36

Confidence interval example | Inferential statistics | Probability and Statistics | Khan Academy

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11:11

Small sample size confidence intervals | Probability and Statistics | Khan Academy

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11:27

Hypothesis testing and p-values | Inferential statistics | Probability and Statistics | Khan Academy

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6:34

One-tailed and two-tailed tests | Inferential statistics | Probability and Statistics | Khan Academy

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6:39

Z-statistics vs. T-statistics | Inferential statistics | Probability and Statistics | Khan Academy

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3:24

Type 1 errors | Inferential statistics | Probability and Statistics | Khan Academy

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9:04

Small sample hypothesis test | Inferential statistics | Probability and Statistics | Khan Academy

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11:47

T-statistic confidence interval | Inferential statistics | Probability and Statistics | Khan Academy

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14:30

Large sample proportion hypothesis testing | Probability and Statistics | Khan Academy

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10:47

Variance of differences of random variables | Probability and Statistics | Khan Academy

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12:18

Difference of sample means distribution | Probability and Statistics | Khan Academy

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15:49

Confidence interval of difference of means | Probability and Statistics | Khan Academy

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2:41

Clarification of confidence interval of difference of means | Khan Academy

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10:07

Hypothesis test for difference of means | Probability and Statistics | Khan Academy

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10:47

Comparing population proportions 1 | Probability and Statistics | Khan Academy

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10:00

Comparing population proportions 2 | Probability and Statistics | Khan Academy

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16:13

Hypothesis test comparing population proportions | Probability and Statistics | Khan Academy

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6:47

Squared error of regression line | Regression | Probability and Statistics | Khan Academy

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10:35

Proof (part 1) minimizing squared error to regression line | Khan Academy

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10:54

Proof (part 3) minimizing squared error to regression line | Khan Academy

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4:18

Proof (part 4) minimizing squared error to regression line | Khan Academy

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9:27

Regression line example | Regression | Probability and Statistics | Khan Academy

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9:54

Proof (part 2) minimizing squared error to regression line | Khan Academy

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12:41

R-squared or coefficient of determination | Regression | Probability and Statistics | Khan Academy

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9:15

Second regression example | Regression | Probability and Statistics | Khan Academy

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9:45

Calculating R-squared | Regression | Probability and Statistics | Khan Academy

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15:08

Covariance and the regression line | Regression | Probability and Statistics | Khan Academy

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10:23

Chi-square distribution introduction | Probability and Statistics | Khan Academy

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11:48

Pearson's chi square test (goodness of fit) | Probability and Statistics | Khan Academy

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17:37

Contingency table chi-square test | Probability and Statistics | Khan Academy

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7:39

ANOVA 1: Calculating SST (total sum of squares) | Probability and Statistics | Khan Academy

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13:20

ANOVA 2: Calculating SSW and SSB (total sum of squares within and between) | Khan Academy

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10:14

ANOVA 3: Hypothesis test with F-statistic | Probability and Statistics | Khan Academy

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10:45

Correlation and causality | Statistical studies | Probability and Statistics | Khan Academy