The Last Math Exam
Predict a pattern between two frequencies that determines the mean score on a math exam.
Author Archive for: corrill
Entries by InterMath
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.
Multiple Calculations
Place the digits 1 through 9 in the empty boxes in a special way.