A series of free Statistics Lectures in videos.
Mean and Variance of Bernoulli Distribution Example
Bernoulli Distribution Mean and Variance Formulas
Margin of Error 1
Finding the 95% confidence interval for the proportion of a population voting for a candidate.
Margin of Error 2
Finding the 95% confidence interval for the proportion of a population voting for a candidate.
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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