Levels of Measurement/ Types of Data

How is data collected?

Plan Research > Gather data> Analyse data

What are the two types of analysed data?

Descriptive Statistics

Inferential Statistics

What falls under descriptive statistics?

Measures of central tendency (mean, median, mode)

measures of frequency (range, standard deviation)

How many levels of measurement/ types of data are there?

4

What are the 4 levels of measurement/ types of data?

1. Nominal Data

2. Ordinal Data

3. Interval Data

4. Ratio Data

What is NominalData?

Named data/ data in categories which is mutually exclusive

What charts may be used for Nominal data?

Tally charts or bar charts

What are some examples of Nominal Data?

smokers vs non-smokers

men vs women

What type of descriptive statistic is Nominal Data?

Measures of frequency

What is Ordinal Data?

Ranking/ Rating data in an order

What are some examples of Ordinal Data?

Likart Scale ( slightly agree, agree, slightly disagree, disagree, etc)

Scores on a test

What levels of measurement/ types of data are scores?

Ordinal Data

What is Interval Data?

Uses a standard scale of measurement with equal intervals between the units

What falls under Interval Data umbrella?

Ratio Data (Uses a standard scale with a specific 'zero' point where zero= nothing)

What are some examples of Interval Data?

IQ

Temperature

Height

Weight

Distance

Time