Your local weather person indicates that the average temperature is at least $89$ degrees Fahrenheit in the summer months. To test this claim, you randomly selected a sample of $32$ cities in your region and find the mean temperature to be $85$ degrees Fahrenheit in the summer months. At alpha $=0\mathrm{.}10,$ can do you have enough evidence to support your local weather person$$s claim?

Answer rating: 100% (QA)

To determine if there is enough evidence to support the local weather persons claim that the average ... View the full answer