Definitions Flashcards
1
Q
Sample Statistic
A
2
Q
Population parameter
A
3
Q
Relative Risk
A
outcome relative to exposure
4
Q
Odds Ratio
A
compares odds of outcome for 2 groups
5
Q
Risk Difference / Attributable Risk
A
difference in risk for 2 groups
6
Q
Complementary Event
A
all outcomes are one of the two events e.g., heads or tails on a coin flip
7
Q
Mutually Exclusive Event
A
There is no intersection between both events, they cannot both occur.
e.g.: heads or tails; never smoked vs ever smoked
8
Q
Correlation Coefficient (r)
A
a measure of linear association between variables
9
Q
Conditions for a Valid Probability
(L13 Random Variables)
A
1) Probabilities take values from 0-1
2) The sum of the probabilities over all possible mutually exclusive outcomes is 1
