CLASSIFICATION OF DATA Flashcards
• Attributes, Categorical
> are results when the information have been sorted into categories.
Example:
◼ Sex
◼ Age level
◼ Curriculum level ◼ Satisfaction level ◼ Educational level
qualitative data
Variable, Numerical
• are the results of counting
or measuring
Example:
◼ 50 students (discrete)
◼ Dimension of a room (Continuous number)
◼ Length of a room is about 7.0 meters (point estimate)
◼ Between 6.5-7.5 meters (Interval estimates)
quantitative data
two types of variables
quanlitative and quantitative data
2 types of qualitative data
nominal and ordinal
2 types of quantitative data
discrete and continuous
A qualitative variable that categorizes (or describes, or names) an element of a population.
nominal variable
A qualitative variable that incorporates an ordered position, or ranking.
ordinal variable
A quantitative variable that can assume a countable number of values. Intuitively, a discrete variable can assume values corresponding to isolated points along a line interval. That is, there is a gap between any two values.
discrete variable
A quantitative variable that can assume an uncountable number of values. Intuitively, a continuous variable can assume any value along a line interval, including every possible value between any two values.
continuous variable