Quantitative data analysis

Question 1

Levels of measurement

Answer 1

• Nominal: categories with no rank (male/female)
• Ordinal: rank (pain score)
• Interval: real numbers with equal intervals (temp, time)
• Ratios: same but with meaningful 0 (weight, height) - 0 means no variable

Question 2

Descriptive analysis

Answer 2

Describe or summarise information (means, percentages)

Question 3

Inferential

Answer 3

Using data to make conclusions and inferences (hypothesis testing)

Question 4

Test score

Answer 4

Consists of error variance plus the true score

Question 5

Kurtosis

Answer 5

Peakness or flatness of a distribution