Valid Conclusion or Invalid Conclusion?
(Click on either title below.)

U.S. athletes have earned three times as many gold medals in boxing as they have in weightlifting.

Correct! In this time period, 16 gold medals have been earned for weightlifting and 48 gold medals have been earned for boxing.
16 × 3 = 48.
Incorrect. Each minor gridline in the graph represents 2 medals. Study the graph to determine how many medals have been earned in each of these two events.

U.S. athletes in gymnastics have earned 5 over 3 5 3 times the number of gold medals that were earned for wrestling.

Correct! The inverse of this statement is actually true. U.S. athletes have earned 30 gold medals for gymnastics and 50 gold medals for wrestling. 5 over 3 5 3 × 30 = 50.
Incorrect. In this time period, 30 gold medals have been earned for gymnastics and 50 gold medals have been earned for wrestling.
5 over 3 5 3 × 50 ≠ 30.

Twice as many gold medals have been earned by U.S. athletes in weightlifting as have been earned in volleyball.

Correct! In this time period, 16 gold medals have been earned for weightlifting and 8 gold medals have been earned for volleyball.
8 × 2 = 16.
Incorrect. Each minor gridline in the graph represents 2 medals. Study the graph to determine how many medals have been earned in each of these two events.

U.S. athletes in archery have earned 28% of the total number of gold medals earned by U.S. athletes in wrestling.

Correct! In this time period, 14 gold medals have been earned for archery and 50 gold medals have been earned for wrestling.
0.28 × 50 = 14.
Incorrect. In this time period, 14 gold medals have been earned for archery and 50 gold medals have been earned for wrestling. What percent of 50 is 14?

The same number of gold medals has been earned by U.S. athletes for boxing, diving, and wrestling.

Correct! U.S. athletes have earned 48 gold medals in boxing and 48 gold medals in diving, but have earned 50 gold medals in wrestling.
Incorrect. Each minor gridline in the graph represents 2 medals. Study the graph to determine how many medals have been earned in each of these three events.

Well Done!

Reset

Valid Conclusion
Invalid Conclusion