A Researcher in Interested in Whether Students Who Are Musicians

Multiple Choice

A researcher in interested in whether students who are musicians have higher intelligence test scores than students in the general population.The researcher predicts that playing a musical instrument is associated with higher intelligence test scores.This is a _____-tailed test and the z_cv is _____.

A) two; ±1.96
B) one; ±1.65
C) two; ±1.65
D) one; ±1.96