In: Statistics and Probability
To study its performance, a newly designed motorboat was timed over a marked course under various wind and water conditions. Assuming that the necessary conditions can be met, use the following data (in minutes) to test at the 0.05 level of significance whether the difference among the three samples' means is significant.
SSTr = 85.53 and SSE = 140.20
Calm | Moderate | Choppy |
---|---|---|
25 | 25 | 23 |
19 | 27 | 25 |
16 | 25 | 28 |
22 | 20 | 31 |
18 | 26 | |
23 |