averages; mean, median, mode, range

Calculate the mean: 12, 15, 16, 17, 15, 15

15

What is the range of the following data set? 12.8, 21.5, 1.9, 12.0, 25.4, 2.8, 1.3

24.1

Find the range: 15, 26, 6, 38, 10, 17

32

The range of the following set of numbers: 16, 33, 24, 48, 11, 30, 15.

37

Calculate the mode: 7, 9, 4, 6, 72, 3, 2, 3, 3, 4, 4, 25, 4, 6,

4

Find the mean; 4, 5, 8, 2, 4, 7, 7, 3

5

Find the median: 5, 5, 6, 6, 7, 7, 8, 9, 9,

7

Calculate the median; 9, 9, 8, 7, 8, 4, 2, 5,

7.5

What was the mean of Julie's test results for Year 10, if her percentage marks so far were?: 89, 87, 78, 75, 89, 94, 82, 93, 78.

85%

A cricketer has scores of 14, 52, 35, 42 and 47 in her last 5 innings. Waht is her mean score?

88

What is the mode of the following data: 2, 2, 3, 4, 4, 9, 9, 9, 6

9

definition of mean

Find the sum of all the data, then divide the total by the number of pieces of data in that set.

definition of range

The difference between the higest score and the lowest score.

Calculate the mean: 2.6, 2.8, 3.1, 3.7, 4.0, 4.2

The mean value for the data will be between 3.0 and 4.0

definition of mode

The score that occurs most frequently

definition of median

The value in a set of ordered data that divides the data into 2 parts. It is often called the middle value.

True or false: the mean, median and mode for any set of data will never be the same value

false

True or false: the mean, median and mode for most sets of data are usually close in value.

true