Pauline Is Testing the Claim That Students from Her University

Multiple Choice

Pauline is testing the claim that students from her university have better spatial memory than the average student in the country. She measures the average spatial memory of 50 students and compares it to the national average. What test is she using and what are the degrees of freedom of this test?

A) Independent samples t test; 49
B) One sample t test; 48
C) One sample t test; 49
D) Independent samples t test; 48