Open Middle®
Directions: Using only numbers 1-9 (without repeating any number), fill in the boxes to create a set of data with the largest possible standard deviation.
Hint
What are the properties of a population with a higher standard deviation? A lower standard deviation?
Answer
1, 2, 3, 74, 85, 96
Source: Mark Alvaro
The answer above is wrong the right answer will be
1,2,3,99,98,97
You repeated 9 three times
1,2,3,54,76,98
the answer is 1, 2, 3, 74, 85, 96
The answer would be 1, 2, 3, 74, 85, 96