Statistics

Question 1

descriptive statistics

Answer 1

describes/organizes data
ex: bar graph

Question 2

inferential statistics

Answer 2

infers how it impacts pop.
answers question: what’s learned from the given population thru the data?
used to evaluate research
can the results generalize to the pop?

Question 3

central tendency

Answer 3

single value to describe a whole set of values
mean, median, mode
mean is preferred

Question 4

standard deviation

Answer 4

how individual scores differ from the mean

Question 5

skewed distribution

Answer 5

right skewed: more negative values
left skewed: more positive values