Given below are actual high temperatures and high temperatures that were forecast one day earlier. Using the 5% significance level, is there statistically sufficient evidence to support the claim which the forecast temperatures were above the actual high temperatures, thus giving evidence that weatherman is consistently wrong in her forcast? Perform the appropriate hypothesis test showing necessary statistical evidence to support your final given conclusion.
| Actual High |
Predicted High |
| 80 |
78 |
| 77 |
74 |
| 81 |
79 |
| 85 |
85 |
| 73 |
68 |