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Stats Chapter 2


context tells WHO was measured, WHAT was measured, HOW the data were collected, WHERE the data were collected, and WHEN and WHY the study was performed
data systematically recorded information, whether numbers or labels, together with its context
data table an arrangement of data in which each row represents a case and each column represents a variable
case an individual about whom or which we have data
population all the cases we wish we knew about
sample the cases we actually examine in seeking to understand the much larger population
variable holds information about the same characteristic for many cases
units a quantity or amount adopted as a standard of measurement; dollars, hours, grams
categorical variable a variable that names categories (whether with words or numerals)
quantitative variable a variable in which the numbers act as numerical values, HAS UNITS
Created by: 697421973