Mean Median and Mode Worksheet

Calculate the mean.

• 8

• 4

• 7

• 22

What is the median of this data set?
3 , 17 , 17 , 11 , 8 , 13 , 5 , 18

• 11

• 12

• 13

• 17

How do you find the average of a data set?

• Add them all up and divide by how many numbers there are

• List in order from least to greatest

• Add the numbers and subtract the largest number

• Find the repeated numbers

Find the median:
5, 6, 3, 9, 0, 4, 1, 2, 7

• 4

• 4.1

• 5

• 4.5

What is the definition of the mean?

• The average

• The middle number

• The difference between the highest and lowest numbers

• The number that occurs the most

Find the mean:
3.8, 4.2, 4.0, 4.2, 4.2

• 4.08

• 20.4

• 5.1

• 4.2

Find the median:
3.8, 4.2, 4.0, 4.2, 4.2

• 4.2

• 3.8

• 4.0

Find the mean of the countries' research and development spending.

• 21.86 billion

• 218.6 billion

• 3.5 billion

• 79.1 billion

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 mode?

• The average

• The number that appears most often.

• The largest number - the smallest number

• The number in the middle.