Mean and Median Mode

What is the definition of the mean?

• Add all the numbers together and divide by the number in the set.

• The middle number after the numbers have been put in order from least to greatest.

• The difference between the highest and lowest numbers

• The number that occurs the most often.

What is the definition of median?

• Add the numbers together and then divide by the number in the set.

• The difference between the largest and smallest number.

• The number in the middle when the numbers are in order from least to greatest.

• The number that appears most often.

What is the definition of mode?

• The average

• The number that appears most often.

• The largest number - the smallest number

• The number in the middle.

What is the first thing you should do before finding the median or the mode?

• Start crossing numbers off

• Put numbers in order from least to greatest

• List the numbers how they are

• Look for repeats

Match each measure of center to its definition.

• Mean

• Order your data, then find the middle number or average of the two middle numbers

• Mode

• Add all data points, then divide by how many data points there are

• Median

• Find the number that appears most frequently (there could be more than one or none at all)

A data set can have more than one mode

• True

• False

Below is a table of the points Jeff scored in his basketball games. State which of these measures of central tendency best represents Jeff’s points scored. Justify your answer.

• mean

• median

• mode

Match the terms to its keywords:

• Average

• Mean

• Middle

• Mode

• Most

• Median

Which measure of center best represents the data?

• mean

• median

• mode

• range

Can there be more than one mode?

• Yes

• No