Listed below are actual high temperatures and high temperatures that were forcast one day earlier. Construct a 95% confidence interval estimate of the mean difference between actual and forcast temperatures. Interpret the resulting confidence interval. Actual: 82 79 82 81 82 Forecast: 90 90 84 84 82 Find the 95% confidence interval _
Can the claim that the difference have a mean of 0 be rejected?
Is it likely that the forecast are accurate