The summary analysis of test scores for selected samples of Introduction to Statistical Economics students who took
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Question:
The summary analysis of test scores for selected samples of Introduction to Statistical Economics students who took the course from three different instructors are shown below.
Descriptives Table
Score
N | Mean | Std. Deviation | |
Instructor A | 6 | 77.3333 | 9.97330 |
Instructor B | 4 | 80.0000 | 16.95091 |
Instructor C | 5 | 88.0000 | 5.70088 |
Jumlah/Total | 15 | 81.6000 | 11.38169 |
ANOVA Table
Sources | Sum of Squares | df | Mean Square | F |
Treatments | 324.267 | 2 | 162.133 | 1.306 |
Error | 1489.333 | 12 | 124.111 | |
Total | 1813.600 | 14 |
At α = 0.05, is there a significant difference among the averages of the three group?.
Related Book For
Introduction to Econometrics
ISBN: 978-0133595420
3rd edition
Authors: James H. Stock, Mark W. Watson
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