There are two calculus classes at your school. Both classes have a class average of 75.5. The first class has a standard deviation of 10.2 and the second has a standard deviation of 22.5. How do the classes compare?
They are about the same.

The second class has higher grades than the first.

The second class' scores are closer together and the first's score are more spread out.

The first class' scores are closer together and the second's score are more spread out.

Question

There are two calculus classes at your school. Both classes have a class average of 75.5. The first class has a standard deviation of 10.2 and the second has a standard deviation of 22.5.  How do the classes compare?
They are about the same.

	
The second class has higher grades than the first.

	
The second class' scores are closer together and the first's score are more spread out.

	
The first class' scores are closer together and the second's score are more spread out.