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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
