Test 1 Flashcards
SRS
simple random sample/called data > crunching numbers > raw conclusions
SRS
crunching numbers
what tests to use? what assumptions are we making
tests
z-score, chi-squared, t, F
Qualitative
nominal, ordinal,
nominal
labels
ordinal
labels put in meaningful order
Quantitative data
uniform distance between each data
interval
does not start at zero and zero is not valuable
ratio
starts at zero, meaningful zero
descriptive statistic
highlights info from sample
discrete distributions
integer (whole number)
statistics
Generalize results from a sample to a population
Discover properties or patterns about a large group by studying a smaller group
Find evidence for or against a theory
inferential stat
hypothesis testing which is finding for/against a test & estimation, guessing characteristics from a sample