Dr Murray Attempted to Make Her Statistics Class Engaging and Interactive

question 129

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

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Definitions:

Semipermeable

Describes a barrier or membrane that allows certain substances to pass through it while blocking others.

Cell Wall

A rigid layer outside the plasma membrane of the cells of plants, fungi, and some bacteria, providing structural support and protection.

Plasma Membrane

The lipid bilayer that surrounds a cell, controlling the movement of substances in and out of the cell.

Cytoplasm

The gel-like substance inside the cell membrane excluding the nucleus, containing organelles and is the site of most cellular activities.