Descriptive Statistics & Mathematical content

Question 1

Definition: The middle score, if all results were put into ascending order

Answer 1

Median

Question 2

Definition: Often known as an average. It is calculated by adding up all scores, and dividing by the number of participants.

Answer 2

Mean

Question 3

Definition: The result that appears most often in a data set.

Answer 3

Mode

Question 4

Definition: The use of graphs, tables and summary statistics to identify trends and analyse sets of data

Answer 4

Descriptive statistics

Question 5

Definition: The general term for any measure of the average value in a data set.

Answer 5

Measures of central tendency

Question 6

Definition: The general term for any measure of the spread or variation in a set of scores

Answer 6

Measures of dispersion

Question 7

Definition: A simple calculation of the dispersion in a set of scores which is worked out by subtracting the lowest from the highest score and adding 1 as a mathematical correction

Answer 7

Range

Question 8

Definition: A sophisticated measure of dispersion in a set of scores. It tells us by how much, on average, each score deviates from the mean.

Answer 8

Standard deviation

Question 9

What does this sign mean?
<

Answer 9

Less than

Question 10

What does this sign mean?
>

Answer 10

Greater than

Question 11

What does this sign mean?
∝

Answer 11

Proportional to

Question 12

What does this sign mean?
≈

Answer 12

Weak equal to

Question 13

What does this sign mean?
≤

Answer 13

Less than or equal to

Question 14

What does this sign mean?
≥

Answer 14

Greater than or equal to