Getting Closer to the Mean!

Materials Needed: none

Instructions:

1. This activity will be done in groups, then as a class.

2. Divide your class into four groups, with equal members per group.

3. For every member of the group, think of any integer from to . Get the mean of

the numbers for each group.

a. The mean of the first group will be .

b. The mean of the second group will be .

c. The mean of the third group will be .

d. The mean of the fourth group will be .

4. Obtain the mean of the entire class. Name the mean as .

5. Compare with , , , and . What can you observe?


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