Types of Data

Primary vs. Secondary Data First hand data gathered by the researcher himself/herself Surveys, observations, experiments, personal interviews, etc. Secondary Data: Data collected by someone else earlier Websites, books, journal articles, etc.

Data: a collection of facts, such as numbers, words, measurements, observations or even just descriptions of things. Qualitative data (categorical) is descriptive information (it describes something) Quantitative data (numerical  is numerical information (numbers)

Two main types of qualitative data: NOMINAL ORDINAL Two main types of quantitative data: CATEGORICAL NUMERICAL

Ex. Marital status

Ex. Ranking how you feel about something 0-5 Ex. Marital status

Ex. Ranking how you feel about something 0-5 Ex. Number of kittens in a litter Ex. Marital status

Ex. temperature Ex. Ranking how you feel about something 0-5 Ex. Number of kittens in a litter Ex. Marital status

Number of students in a class Eye colour Weight Temperature Pets Identify each of the following data sets as categorical or numerical then nominal, ordinal, discrete or continuous by creating a graphic organizer. Once you are done, get a package to work on from the teacher. Gender Height Age Shoe Size Service Satisfaction Dog Breeds Movie Ratings Schoolwork pressure Arm span Favourite subject Number of students in a class Eye colour Weight Temperature Pets Number of people in the household Wrist circumference Number of days during which you did an intense physical activity last week