Measure Of Central Tendency

Question 1

Mean

Answer 1

Calculated by adding up all the scores and dividing by the number of scores

Question 2

Mode

Answer 2

The result that appears most often in a set of data

Question 3

Median

Answer 3

The middle score once all results are put in ascending order

Question 4

Mean Strengths

Answer 4

Makes use of all the values and is therefore most representative measure

Question 5

Mean weaknesses

Answer 5

No good for nominal or ordinal data

Can be unrepresentative if there are extreme values

Question 6

Mode strengths

Answer 6

Easy to calculate

Question 7

Mode weaknesses

Answer 7

Not useful if there are various values that meet the criteria

Isn’t useful for small sets of data

Question 8

Median strengths

Answer 8

Unaffected by extreme values

Question 9

Median weaknesses

Answer 9

Not as sensitive as not all values are reflected

No good for nominal data

Ignores very small or very large outliers

Question 10

Range

Answer 10

The difference between the highest and lowest scores in a data set