Standard error: 0.66

Pooled variance: 1.2

Critical value: 2.262

Df: 9

Answer questions 1-3

1. What is the value of t? Round to two decimal places.

The mean for the maze-bright rats was 3.0.

The mean for the maze-dull rats was 4.8.

2. True or false? The null hypothesis will be rejected?

3. Choose the correct answer.

There is no difference in maze performance among maze-bright and maze-dull rats.

Maze-bright rats make significantly fewer errors than maze-dull rats.

Maze-bright rats make significantly more errors than maze-dull rats.

No conclusion can be drawn from the results of the t-test analysis.