Prior to 1865, which of the following was the primary export of the United States?

The current chief justice of the U.S. Supreme Court is

A) Samuel Alito. B) Elena Kagan. C) Anthony Kennedy. D) William Rehnquist. E) John Roberts.

The _________ is a value that divides a distribution in half.

a. Mean b. Mode c. Median d. Weighted mean