Which of the Following Is an Example of a Situation

Multiple Choice

Which of the following is an example of a situation in which you could conduct a t test for independent means?

A) A comparison of the SAT scores of a group of 10 students who completed a special SAT preparation course compared to how people do on the SAT in general.
B) A comparison of scores of participants in a memory study in which one group learns the words in alphabetical order and another group learns the words in order of word length.
C) A comparison of participants' scores on a skills test before and after attending a training session for improving the skill.
D) None of the above would be suitable for a t test for independent means.