Can we prove a hypothesis?
no but we can disprove competing ones
how do you disprove a hypothesis
you find one condition where it fails
What is another name for occams razor
principle of parsimony
what is occams razor
when two hypothesis explain the data equally well we should select the simpler one
what is descriptive statistics
graphical - bar charts, pie charts etc
numerical - averages, data ranges
what is inferential statistics
correlations, differences, interations, analytical methods