measures of central tendency

What is the mode?

• The middle number in an ordered set of data.

• The difference between the greatest and least amount in the data set

• The value that occurs the most often in a data set

• The sum of all the numbers in a data set divided by the size

Which is a synonym for "average?"

• median

• mode

• range

• mean

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number

• They are both the median

• Find the mean of the two numbers

• None of the above

There can be more than one mean

• True

• False

There can be more than one mode

• True

• False

Given the following data, compute for the mean, median and mode.

12 17 18 2 19

20 15 22 16 8

20 23 11 25 9