Joint Relative Frequency In a study on age and driving
safety, 33% of older drivers
were considered a high
accident risk.
In a study on age and driving
safety, 33% of drivers were
considered younger and a high
accident risk.
Marginal Relative Frequency
In a study on age and driving
safety, 67% of drivers were
classified as younger
In a pre-election poll, 67% of
the respondents who preferred
the incumbent were men.
Conditional Relative Frequency
In a pre-election poll, 33% of
women preferred the challenger.
In a pre-election poll, 16%
of respondents were men

Given are five observations for two variables, x and y. xi 1 2 3 4 5 yi 3 7 5 11 14 which of the following is a scatter diagrams accurately represents the data? what does the scatter diagram developed in part (a) indicate about the relationship between the two variables? try to approximate the relationship betwen x and y by drawing a straight line through the data. which of the following is a scatter diagrams accurately represents the data? develop the estimated regression equation by computing the values of b 0 and b 1 using equations (14.6) and (14.7) (to 1 decimal). = + x use the estimated regression equation to predict the value of y when x = 4 (to 1 decimal). =