Statistics summary
, Measurement Levels
Nominal = Giving names number (eg. Female = 0, Male = 1)
Ordinal = ranking (eg. hotel stars, or first second class)
Interval = Same distance between numbers (eg. days, temperature)
Ratio = same distance between numbers, but always has to start at 0. (eg. Weight, height etc)
→ Statistical Mode Median Mean (average) Std. Dev.
(Used the most) (number in the (variation around
techniques middle) the mean)
Nominal x
Ordinal x x
Interval x x x x
Ratio x x x x
→ Statistical T-Test ( Regression Cross chi-square Correlation
techniques tabulation test
Nominal x x
Ordinal x x
Interval x x x
Ratio x x x
, Measurement Levels
Nominal = Giving names number (eg. Female = 0, Male = 1)
Ordinal = ranking (eg. hotel stars, or first second class)
Interval = Same distance between numbers (eg. days, temperature)
Ratio = same distance between numbers, but always has to start at 0. (eg. Weight, height etc)
→ Statistical Mode Median Mean (average) Std. Dev.
(Used the most) (number in the (variation around
techniques middle) the mean)
Nominal x
Ordinal x x
Interval x x x x
Ratio x x x x
→ Statistical T-Test ( Regression Cross chi-square Correlation
techniques tabulation test
Nominal x x
Ordinal x x
Interval x x x
Ratio x x x
