# 172 Probability and Statistics Videos by Khan Academy

### 172 Probability and Statistics Videos by Khan Academy

You will never go through a day without using or thinking about probability. When was the last time you checked the weather forecast or make a decision on driving directions? We are constantly creating hypotheses, making predictions, testing, and analyzing. Our lives are full of probabilities! Statistics is related to probability because much of the data we use when determining probable outcomes comes from our understanding of statistics. In these Probability and Statistics Video tutorials, we will cover a range of topics, some which include: independent events, dependent probability, combinatorics, hypothesis testing, descriptive statistics, random variables, probability distributions, regression, and inferential statistics.

### Topics of these Probability and Statistics Video Tutorials

Independent and dependent events (38 videos)
Introduction to probability. Independent and dependent events. Compound events. Mutual exclusive events. Addition rule for probability.

Probability and combinatorics (21 videos)
Permutations and combinations. Using combinatorics to solve questions in probability.

Statistical studies (13 videos)

Descriptive statistics (25 videos)
Measures of central tendency and dispersion. Mean, median, mode, variance, and standard deviation.

Random variables and probability distributions (17 videos)
Random variables. Expected value. Probability distributions (both discrete and continuous). Binomial distribution. Poisson processes.

Regression (18 videos)
Fitting a line to points. Linear regression. R-squared.

Inferential statistics (40 videos)
Making inferences based on sample data. Confidence intervals. Margin of error. Hypothesis testing.

– love learning -your best ed lessons guide, Scott

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