Finding Mean, Median, Mode, 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

The table shows the points scored by the JV basketball team at Cox Mill High School in their first seven games. Calculate the mean, median, mode and range. Which statistical measure makes the team sound the best?

• Mean

• Median

• Mode

• Range

What is the first quartile?

• 4

• 5

• 6

• 7

Ms. Andrey claims the average score on a quiz in her class was 25. Mr. Luna claims the average score on a quiz in his class is 25.

• Ms. Andrey used the mode, while Mr. Luna used the median.

• Ms. Andrey used the mean, while Mr. Luna used the mode.

• Both teachers used the mean.

• Both teachers used the median.

What data value is the upper quartile (Q3)?

• 64

• 62

• 66

• 58

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

A data set can have more than one mode.

• True

• False