Math Manipulative
Find the mean using an assumed mean
Choose a convenient assumed mean, reduce every value by it, then rebuild the actual mean one step at a time. Answers are checked to two decimal places.
Exercise Setup
How many values?
Step 1
Reduce each value using an assumed mean
Dataset
(Your choice)
Reduced numbers
Steps 2–4
Build the actual mean
Correct
Correct method, earlier error
Needs correction
Yaask Labs