Mean Median Mode and Quartiles

To find the mean of a data set, you add up all of the items and divide by...

• 2

• The minimum

• The maximum

• The number of items

What is the mode?

• The number that happens the most.

• The average.

• The middle number.

• The largest number - the smallest number

What is the mean?

• The number that happens the most.

• The average.

• The middle number.

• The largest number - the smallest number

What is the median?

• The number that happens the most.

• The average.

• The middle number.

• The largest number - the smallest number

What is the range?

• The number that happens the most.

• The average.

• The middle number.

• The largest number - the smallest number

What is the range of these numbers: 4, 5, 1, 3, 8, 11, 9

• 11

• 9

• 10

• 5

What is the median of these numbers: 4, 5, 1, 3, 8, 11, 9

• 4

• 9

• 10

• 5

What is the mode of these numbers: 4, 1, 5, 1, 3, 8, 11, 9, 3, 1

• 1

• 3

• 11

• 1 and 3

A data set can have more than one mode.

• True

• False

The mode score on the 6th grade math test was 92! Which of these interpretations must be correct?

• No student scored below 50.

• More students received 92 than any other score.

• A score of 91 was slightly below average.

• 92 was the highest score on the test.