Central Tendency and Dispersion Evaluation

Question 1

strengths of mean

Answer 1

uses all data in the calculation,

more representative of data as a whole

Question 2

weakness of mean

Answer 2

affected by extreme values

Question 3

strengths of mode

Answer 3

• can be used with quantitative data

- not affected by extreme values

Question 4

weaknesses of mode

Answer 4

may be more than one mode

Question 5

strengths of median

Answer 5

not effected by extreme values

Question 6

weaknesses of median

Answer 6

Unrepresentative of data as a whole

Question 7

strengths of range

Answer 7

includes all data pieces

Question 8

weaknesses of range

Answer 8

only takes the 2 most extreme values into account

unrepresentative of data as a whole

Question 9

strengths of standard deviation

Answer 9

all data is included in calculation

Question 10

weaknesses of standard deviation

Answer 10

affected by extreme values

complicated and time consuming