A learned set of rules that always leads to a correct solution is known as

In order for a person with normal vision to do the impossible–perceive a bluish yellow

hue–the appropriate ganglion cells would have to fire a. slowly. b. slowly, then more rapidly. c. rapidly. d. both slowly and rapidly. e. rapidly, then more slowly.

Which of the following is the MOST serious violation of an assumption for the t test for independent means?

A) The sample size is smaller than 15. B) The populations are both dramatically negatively skewed. C) The populations are both dramatically positively skewed. D) The populations are dramatically skewed in opposite directions.