6. Listed below are actual high temperatures and the hightemperatures that were forecast five days earlier. Use a .05significance level to test the claim of a zero mean differencebetween the actual high temperatures and the high temperatures thatwere forecast one day earlier. Use our 4-step procedure. This is amatched or paired samples hypothesis test. Actual high: 80 77 81 8573 High forecast one day earlier: 78 75 81 85 76
Step 1: Ho____. Ha: ______
Step 2 : Significance level : 0.05
Step 3: test (Please state what test you used )
values for each required entry on calculator :__
P-value: __
Step 4: Decision:
Reason. Conclusion
Step 5: graph