Open Middle®
Directions: Using the digits 1 to 9, find a six number data set that has a Mode of 1, Median of 2 and Mean of 3. Digits can be repeated.
Hint
How can you find the median of 6 numbers? How do you calculate the mean of 6 numbers? What is the definition of mode?
Answer
1, 1, 1, 3, 4, 8
1, 1, 1, 3, 3, 9
1, 1, 1, 3, 5, 7
1, 1, 1, 3, 6, 6
1, 1, 1, 3, 3, 9
1, 1, 1, 3, 5, 7
1, 1, 1, 3, 6, 6
Source: Harold Jacobs
