The author recorded actual temperatures F along with the temperatures
The author recorded actual temperatures (°F) along with the temperatures (°F) that were predicted five days earlier. Results are listed below. Construct a 99% confidence interval estimate of the mean of the population of “actual/forecast” differences. What does the result suggest about the accuracy of the forecast temperatures?
Assume that the paired sample data are simple random samples and that the differences have a distribution that is approximately normal.
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