Below is an advanced placement ultimate quiz on statistics. It is perfect for students who are getting ready to sit for an exam. If you are in this group, be sure to give it a try and see just how much you might get to remember. All the best, and be sure to keep an eye out for other quizzes like it.
Removing A would decrease the slope but removing B would increase the slope.
Removing A would increase the slope but removing B would have little effect on the slope.
Removing A would decrease the correlation but removing B would increase the correlation.
Removing point A would increase the correlation and removing point B would not change the correlation.
Removing point A would increase the y-intercept and removing point B would decrease the y-intercept.
It describes a sample that was selected by convenience.
It describes a lack of randomization in the sampling process.
It describes a process that results in a sample that does not represent the population.
It describes a process that creates estimates that are too high on average or too low on average.
It describes a sample that is not representative of the population.
1.22 ounces below the mean
0.59 ounces below the mean
0.59 ounces above the mean
1.22 ounces above the mean
2.26 ounces above the mean
Block on gender because it is not associated with cholesterol level.
Block on gender because males and females are different.
Block on the type of drug because it may be associated with cholesterol level.
Block on exercise level because it is associated with cholesterol level.
Block on both gender and exercise because blocking on more variables gives more reliable estimates.
0.0216
0.0432
0.0468
0.2748
0.3000