categorical data
placing an individual into a group/category
quantitative data
data that can be measured
frequency
real numbers (how often something occures)
relative frequency
percentages of how often something occures
cummulative
sum of the current and all previous counts
cummulative relative frequency
sum of current and previous percentage counts
contingency/2-way table
a table with 2 variables
cell
one box of information
marginal distribution
Sum of a row or column in a two-way table.
Conditional Probability
how 1 variable is divided up based on another; ___ based on ____
dependent
% is changing from class to class (direct coorelation/defering)
independent
% is the same-no assosciation