Ap statistics chapter 4
Order by
11 terms
Terms | Definitions |
|---|---|
 monotonic function | f(t) moves in one direction as its argument t increases |
| linear growth | increases by a fixed amount in each equal time period |
| exponential growth | increases by a fixed percentage of the previous total |
| extrapolation | is the use of a regression line for prediction far outside the domain of values of the explanatory variable x that you used to obtain the line or curve |
| lurking variable | is a variable that is not among the explanatory or response variables in a study and yet may influence the interpretation of relationships among those variables. |
| confounded | when their effects on a response variable cannot be distinguished from each other |
| two-way table | describes to categorical variables |
| simpson's paradox | Refers to the reversal of the direction of a comparison or an association when data from several groups are combined to form a single group |
| marginal distributions | The row totals and column totals in a 2-way table give the marginal distributions of the two variables separately. |
| conditional distribution | Look at only one column of table |
| bar graphs | flexible means of presenting categorical data |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.