Mr. Garcia's strings class had a standard deviation of 2.4 on a performance exam, while Mr. Hart's percussion class had a standard deviation of 1.2 on the their performance exam using the same criteria. What can be said about these two classes?

Mr. Garcia's class performed 1.2 points better on the test as Mr. Hart's class.

Mr. Garcia's class performed twice as well on the test as Mr. Hart's class.

Mr. Garcia's class is more homogeneous than Mr. Hart's class.

Mr. Hart's class is more homogeneous than Mr. Garcia's class.

Mr. Hart's class did less well on the test than Mr. Garcia's class.