Statistics - mean, median, mode, range, data types

7

Find the mean of: 3, 7, 10, 5, 10

5.5

Find the median of: 2, 3, 4, 7, 9, 10

9

Find the median of: 2, 4, 6, 8, 10, 12

5

Find the median of: 3, 4, 5, 6, 7

No mode

Find the mode of: 20, 21, 45, 33

2

Find the mode of: 4, 3, 2, 5, 2

56

Find the mode of: 56, 23, 44, 60, 56, 24, 23, 56, 47

6 and 8

Find the mode of: 6, 5, 6, 8, 10, 9, 8

6

Find the range of: 3, 2, 5, 1, 6, 7

80

Find the range of: 50, 30, 20, 70, 100

12

Find the range of: 8, 6, 11, 10, 18, 14

25

Find the mean of : 20, 10, 40, 30

3

Find the mean of: 1, 2, 3, 4, 5

Data that is sorted into groups. E.g. favourite foods. (Words)

Categorical data

Data that is measured. E.g. height.

Continuous data.

Data that is counted. (Whole numbers)

Discrete data

median

The middle score when the scores are arranged in ascending order.

Frequency

The number of times a score occurs is called its .........

Continuous

What type of data is this? 10 m, 8 m, 11.5 m.

Discrete

What type of data is this? 23, 44, 37, 36

Categorical

What type of data is this? Blue, silver, purple.

Average. Found by adding up all the scores and dividing the total by the number of scores.

mean

The score that occurs the most often.

mode

The difference between the highest score and the lowest score.

range