Median Mean and Mode

Find the mean:
28, 18, 19, 18, 17

• 20

• 18

• 11

• 19

Find the mode:
5, 0, 9, 9, 3, 0, 5, 5, 4

• 9

• 5

• 3

• 7

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 median:
3, 5, 7, 4, 3, 1

• 3 and 4

• There isn't one

• 3.5

• 3

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

• 4.2

• 3.8

• 4.0

Find the mean:
9, 9, 3, 2, 8, 7, 4 

• 49

• 6

• 9

• 7

Find the mode:
4, 5, 4, 3, 5, 1, 6

• 4

• 5

• 4 & 5

• 3

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

• 21.86 billion

• 218.6 billion

• 3.5 billion

• 79.1 billion

Find the mean of the following data set:

4 , 5 , 3 , 9 , 10 , 1 , 2 , 7 , 8 , 1

Find the mean of the following data set.

15 , 18 , 16 , 20 , 14 , 12 , 8 , 25