Section 1.1 Whats Is Statistics ? Flashcards
Individuals
The people or objects included in the study
Variable
Characteristic of the individual to be measured or observed
Quantitive data
Qualitative data
Quantitive data has a value on numerical measurement
Qualitative data describes an individual by placing them into a category a group.
Population data
Sample data
Population data the data that are from every individual of interest
Sample data the data are from only some of the individuals of interest
Population parameter
Sample statistic
Population parameter : numerical measure that describes an aspect of population
Sample statistic: a numerical measure that describes an aspect of a sample
Nominal
Ordinal
Interval
Ratio
Name, categories,ID numbers
Rankings
Temperature, time of the day
Distance , age, length of time
Statistics
The study of how to collect ,organize ,analyze, and interpret numerical information from data