MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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One group of accounting students used simulation programs, while another group received a tutorial. Scores on an exam were compared.
| Statistic | Simulation | Tutorial |
|---|---|---|
| Mean score | x¯1x¯1 = 8.5 | x¯2x¯2 = 10.6 |
| Sample standard deviation | s1 = 2.6 | s2 = 2.5 |
| Number of students | n1 = 25 | n2 = 25 |
a. Construct a 95 percent confidence interval for the true difference in mean scores
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