Think About It! Section
Select the answer you think is correct  then click the right arrow to proceed to the next question.
Home Games  Away Games  

Won  51  37 
Lost  30  44 
Use the table above, showing the record for the Pittsburgh Pirates in the 2014 season, to answer the following question:
What percent of their home games did the Pirates win?

The answer is 51/81 or 63%. This is a conditional percentage where you need to condition on the 81 home games, of which they won 51.

The answer is 51/81 or 63%. This is a conditional percentage where you need to condition on the 81 home games, of which they won 51.

Correct. 51/81 or 63%. This is a conditional percentage where you need to condition on the 81 home games, of which they won 51.

The answer is 51/81 or 63%. This is a conditional percentage where you need to condition on the 81 home games, of which they won 51.
Home Games  Away Games  

Won  51  37 
Lost  30  44 
Use the table above, showing the record for the Pittsburgh Pirates in the 2014 season, to answer the following question:
What percent of the Pirates' wins were at home in 2014?

The answer is 51/88 or 58%. This is a conditional percentage where you need to condition on the 88 games they won, of which they played at home in 51.

The answer is 51/88 or 58%. This is a conditional percentage where you need to condition on the 88 games they won, of which they played at home in 51.

The answer is 51/88 or 58%. This is a conditional percentage where you need to condition on the 88 games they won, of which they played at home in 51.

Correct. 51/88 or 58%. This is a conditional percentage where you need to condition on the 88 games they won, of which they played at home in 51.
Home Games  Away Games  

Won  51  37 
Lost  30  44 
Use the table above, showing the record for the Pittsburgh Pirates in the 2014 season, to answer the following question:
What was the odds that a Pirates' victory came at home?

The answer is 51/37 or 1.4 to 1. The odds here are conditional on the 88 victories of which 55 where at home and 37 were away.

Correct. 51/37 or 1.4 to 1. The odds here are conditional on the 88 victories of which 55 where at home and 37 were away.

The answer is 51/37 or 1.4 to 1. The odds here are conditional on the 88 victories of which 55 where at home and 37 were away.

The answer is 51/37 or 1.4 to 1. The odds here are conditional on the 88 victories of which 55 where at home and 37 were away.
Home Games  Away Games  

Won  51  37 
Lost  30  44 
Use the table above, showing the record for the Pittsburgh Pirates in the 2014 season, to answer the following question:
The ratio of the odds of the Pirates winning at home to the odds of them winning on the road is the same as the ratio of them being at home for a win to them being at home for a loss.

Correct. True. The odds ratio is the same regardless of which margin of the 2x2 table you condition on.

The answer is True. The odds ratio is the same regardless of which margin of the 2x2 table you condition on.

The answer is: it is still possible for the percentage of all engineering majors who graduate within 4 years to be lower than the percentage for education majors. This could be an example of Simpson’s Paradox where the aggregated data shows the opposite association between time to graduate and major.

Correct. It is still possible for the percentage of all engineering majors who graduate within 4 years to be lower than the percentage for education majors. This could be an example of Simpson’s Paradox where the aggregated data shows the opposite association between time to graduate and major.

The answer is: it is still possible for the percentage of all engineering majors who graduate within 4 years to be lower than the percentage for education majors. This could be an example of Simpson’s Paradox where the aggregated data shows the opposite association between time to graduate and major.

The answer is: it is still possible for the percentage of all engineering majors who graduate within 4 years to be lower than the percentage for education majors. This could be an example of Simpson’s Paradox where the aggregated data shows the opposite association between time to graduate and major.