Dr Murray Attempted to Make Her Statistics Class Engaging and Interactive

Multiple Choice

Dr. Murray attempted to make her statistics class engaging and interactive because of previous students' feedback. She wants to know if this new teaching format has improved students' retention of class material. What statistical test would be appropriate to use to determine if the current class has significantly better final exam grades than last year's class?

A) an independent samples t-test
B) a paired samples t-test
C) a one-way ANOVA
D) a single sample t-test