A sports psychologist investigated whether professional athletes have a preference between five different pre-game routines: mental rehearsal, listening to high-tempo music, dynamic stretching, quiet meditation, or team briefings.
Using the extract from the table of critical values presented below, what is the critical value for the Chi-square test for this study (df=4df = 4df=4) at the 0.01 (1%) level of significance?
| Degrees of Freedom (dfdfdf) | Probability level (ppp) | |||||
|---|---|---|---|---|---|---|
| 0.50 | 0.10 | 0.05 | 0.02 | 0.01 | 0.001 | |
| 1 | 0.455 | 2.706 | 3.841 | 5.412 | 6.635 | 10.827 |
| 2 | 1.386 | 4.605 | 5.991 | 7.824 | 9.210 | 13.815 |
| 3 | 2.366 | 6.251 | 7.815 | 9.837 | 11.345 | 16.268 |
| 4 | 3.357 | 7.779 | 9.488 | 11.668 | 13.277 | 18.465 |
| 5 | 4.351 | 9.236 | 11.070 | 13.388 | 15.086 | 20.517 |
