AP Stats Review!

AP Stats Review!

Clue 1

the use of a regression line to make a prediction far outside the observed x-values

Clue 2

the amount by which is y is predicted to change when x increased by one unit.

Clue 3

the ______________ of a relationship is determined by how closely the points follow a clear form

Clue 4

the _______-_________ regression line is also known as the line of best fit.

Clue 5

an individual value that falls outside the overall pattern of the relationship

Clue 8

value that measures the strength of the linear relationship between two quantitative values

Clue 9

A ________________ association is defined when above average values of the explanatory are accompanies by above average values of the response

Clue 10

y-hat is the ________________ value of the y-variable for a given x

Clue 11

variable that measures the outcome of a study

Clue 12

variable that may help explain or influence changes in another variable

Clue 13

The ________________ of a scatterplot indicates a positive or negative association between the variables.

Clue 14

The _____________ of a scatterplot is usually linear or non-linear.

Clue 15

the difference between an observed value of the response and the value predicted by the regression line

Clue 16

Association does not imply ______________.

Clue 17

A ____________ association is defined when above above average values of one variable are accompanies by below average values of the other.

Clue 18

graphical display of the relationship between two quantitative variables

Clue 19

line that describes the relationship between two quantitative variables

Clue 20

the coefficient of ______________ describes the percent of variability in y values that is explained by the least squares regression on x

Clue 21

individual points that substantially change the correlation or slope of the regression line