This is the tenth page of the series of free video lessons, "Statistics Lectures".

### Statistics - Lecture 26

Discrete and Continuous Random Variables

A random variable is variable which has its value determined by a probability experiment.

A discrete random variable is a random variable which has a finite number of values.

A continuous random variable is a random variable which has an infinite number of values.

### Statistics - Lecture 27

Discrete Probability Distributions

A probability distribution displays the probabilities associated with all possible outcomes.

### Statistics - Lecture 28

Probability Histograms

A probability histogram is a histogram with possible values on the x-axis, and probabilities on the y-axis.

### Statistics - Lecture 29

Mean and Expected Value of Discrete Random Variables

Law of Large Numbers

### Statistics - Lecture 30

Variance and Standard Deviation of Discrete Random Variables

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