In: Statistics and Probability
Researchers wanted to know whether there was a difference in comprehension among students learning a computer program based on the style of the text. They randomly divided 36 students of similar educational level, age, and so on, into two groups of 18 each. Group 1 individuals learned the software using a visual manual (multimodal instruction), while Group 2 individuals learned the software using a textual manual (unimodal instruction). The following data represent scores that the students received on an exam given to them after they studies from the manuals. Is there a difference in test scores at significance level 0.05? (Independent Means)
Visual Manual |
Textual Manual |
||||||
51.08 |
60.35 |
57.03 |
76.60 |
64.55 |
43.58 |
39.91 |
72.40 |
44.85 |
70.77 |
75.21 |
70.15 |
57.60 |
57.40 |
65.31 |
42.01 |
56.87 |
47.60 |
75.28 |
46.59 |
68.59 |
49.48 |
51.95 |
61.16 |
57.07 |
81.23 |
80.30 |
67.30 |
50.75 |
49.57 |
49.07 |
|
52.20 |
60.82 |
49.63 |
56.54 |