## Which One is Better?

Compare which test is better by looking at the means and standard deviations.

## Analyzing Test Scores

Determine the Variance and Standard Deviation of a set of test scores.

## Scoring the Vault

Determine a gymnast’s score on the vault if the vault was her worst/best event.

## Coca-Cola Popularity

Determine the sample size of a group of people in a taste test as more people are introduced into the survey.

## The Last Math Exam

Predict a pattern between two frequencies that determines the mean score on a math exam.

## Introducing Outliers

Observe changes in the mean, median, and mode of a data set as you introduce an outlier.

## Center of Gravity

Compare the arithmetic mean of a group of data points to its line of best fit. vertices.

## Combining Datasets

Examine changes in measure of center when you combine groups of data.

## Transformations of Data

Explore what changes in the mean, median, and mode as you add, subtract, multiply, and divide elements in a data set.

## Same But Different

Create data sets that have one measure of center in common, but vary in a different measure of center.

## Mean, Median and Mode: Is One Always Larger?

Compare the relative size of different measures of center in various data sets.

## “Average Families”

Use a spreadsheet to find different data sets that will produce the same arithmetic mean.

## John’s Way of Finding Averages

Apply an alternate method to find the arithmetic mean of a data set.