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#### Exercises to train your knowledge

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## Course content preview

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

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Watch the 1st video of the course

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## Course content

0h12m

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

Introduction to descriptive statistics and central tendency. Ways to measure the average of a set: median, mean, mode

Missed the previous lesson?

Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs walk in? Busted again! 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 w

0h06m

### Statistics: Sample vs. Population Mean

The difference between the mean of a sample and the mean of a population.

0h12m

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

Variance of a population.

Missed the previous lesson?

Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs walk in? Busted again! 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 tutorials, we will cover a range of

0h11m

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

Using the variance of a sample to estimate the variance of a population

Missed the previous lesson?

Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs walk in? Busted again! 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 o

0h13m

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

Review of what we've learned. Introduction to the standard deviation.

Practice this lesson yourself on KhanAcademy.org right now:

Missed the previous lesson?

Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs wal

0h12m

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

Playing with the formula for variance of a population.

Missed the previous lesson?

Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs walk in? Busted again! 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.

0h12m

### Introduction to Random Variables

Introduction to random variables and probability distribution functions.

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### Probability density functions | Probability and Statistics | Khan Academy

Probability density functions for continuous random variables.

Missed the previous lesson?

Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs walk in? Busted again! We are constantly creating hypotheses, making predictions, testin

0h12m

### Binomial Distribution 1

Introduction to the binomial distribution

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### Binomial Distribution 2

More on the binomial distribution

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### Binomial Distribution 4

Using Excel to visualize the basketball binomial distribution

0h14m

### Expected Value: E(X)

Expected value of a random variable

0h16m

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

Missed the previous lesson?

Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs walk in? Busted again! 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 tutorials, we will cover a range of topics, some

0h11m

### Poisson process 1 | Probability and Statistics | Khan Academy

Introduction to Poisson Processes and the Poisson Distribution.

Missed the previous lesson?

Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs walk in? Busted again! 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 statist

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### Poisson process 2 | Probability and Statistics | Khan Academy

More of the derivation of the Poisson Distribution.

Missed the previous lesson?

Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs walk in? Busted again! 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 tutorials, we will co

0h09m

### Law of large numbers | Probability and Statistics | Khan Academy

Introduction to the law of large numbers

Missed the previous lesson?

Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs walk in? Busted again! 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 tutorials, we will co

0h26m

### Normal distribution excel exercise | Probability and Statistics | Khan Academy

(Long-26 minutes) Presentation on spreadsheet to show that the normal distribution approximates the binomial distribution for a large number of trials.

Missed the previous lesson?

Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs walk in? Busted again! We are constantly creating hypotheses, making predictions, testing, and analyzing. Our lives are full of probab

0h26m

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

Exploring the normal distribution

Missed the previous lesson?

Probability and statistics on Khan Academy: We dare you to go through a day in which you never consider or use probability. Did you check the weather forecast? Busted! Did you decide to go through the drive through lane vs walk in? Busted again! 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 tutorials,

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

Discussion of how "normal" a distribution might be

Practice this lesson yourself on KhanAcademy.org right now: