Mean Median Mode and Quartiles

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

• 4

• 9

• 10

• 5

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.

Find the mean: 4, 6, 7, 3, 12, 4

• 6

• 4

• 12

• 3

A data set can have more than one mode.

• True

• False

The __________ of the data set is the sum of the data divided by the number of pieces of data.

• third quartile

• mean

• measures of center

• mode

The __________ is the middle number, or the mean of the two middle numbers, of the ordered data in a set.

• mean

• range

• median

• mean absolute deviation

__________ are values that divide the data set into four equal parts.

• outliers

• average

• measures of variation

• quartiles

The __________ is the number or numbers that occur most frequently in a data set.

• average

• mode

• quartiles

• mean