### Looking NormalThis lesson involves examining multiple samples taken from a single approximately normal population. | | Download4,061 |

### PercentilesStudents use the area to the left of a value in a normal distribution to find its percentile and then reverse the process to find the value for a given percentile. | | Download4,643 |

### Transforming Univariate DataThis lesson involves square root, logarithmic, square, and exponentiation transformations of skewed univariate data using a given data set. | | Download3,879 |

### Z-ScoresThis lesson involves finding the area under the standard normal curve with mean 0 and standard deviation 1 for a given distance from the mean and compare this to the area under the curve for another member of the family of normal curves. | | Download6,005 |