These data collected by the Grants show that
A) all birds surviving after the drought had deeper beaks than those existing before the drought.
B) most birds died as a result of the drought.
C) before the drought all birds had beaks between 9 and 9.5 mm deep and after the drought all birds had beaks between 9.5 and 10 mm deep.
D) after the drought the average bird had a deeper beak.

Question

These data collected by the Grants show that 
A) all birds surviving after the drought had deeper beaks than those existing before the drought. 
B) most birds died as a result of the drought. 
C) before the drought all birds had beaks between 9 and 9.5 mm deep and after the drought all birds had beaks between 9.5 and 10 mm deep. 
D) after the drought the average bird had a deeper beak.

Quizplus · Accepted Answer

The data shows that the average beak depth after the drought (10.2 mm) is greater than the average beak depth before the drought (9.8 mm), indicating that the average bird had a deeper beak after the drought. There is no information provided to support choices A, B, or C.

These Data Collected by the Grants Show That