# Statistics and Probability

The mean, median, variance, covariance, raw moments, and central moments may be computed using Mean , Median , Variance , Covariance , Moment , and CentralMoment , respectively.

## Sample Problems

Practice and review questions follow each lesson. Online calculators take the drudgery out of computation. Statistics and Probability This website provides training and tools to help you solve statistics problems quickly, easily, and accurately - without having to ask anyone for help.

Online Tutorials Learn at your own pace. Advanced Placement AP Statistics. Full coverage of the AP Statistics curriculum. Clear explanations with pages of solved problems.

Regression analysis with one or more independent variables. How to conduct a statistical survey and analyze survey data. Easy-to-understand introduction to matrix algebra. Study our free, AP statistics tutorial to improve your skills in all test areas. In his spare time, Harvey plays golf and bridge - both poorly. What We Do We try to take the drudgery out of statistics by providing user-friendly instructional and analytical tools.

About Our Tutorials Stat Trek provides five free, online tutorials: Advanced Placement AP Statistics. The Probability tutorial covers probability theory in aw-shucks language. Clear explanations and pages of solve probability problems. The Simple Linear Regression tutorial is a pain-free introduction to regression. A probability of 0 means that there is zero chance that the event will occur; a probability of 1 means that the event is certain to occur.

Numbers between 0 and 1 quantify the uncertainty associated with the event. For example, the probability of a coin flip resulting in Heads rather than Tails would be 0.

Fifty percent of the time, the coin flip would result in Heads; and fifty percent of the time, it would result in Tails. F Distribution Calculator The F distribution calculator makes it easy to find the cumulative probability associated with a specified f value.

Enter values for degrees of freedom. Enter a value for one, and only one, of the remaining text boxes. Click the Calculate button to compute a value for the blank text box.

Degrees of freedom v 1 Degrees of freedom v 2 Cumulative prob: F Distribution Calculator Sample Problems. What are degrees of freedom? What are degrees of freedom v 1 and v 2?

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