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.