Five years ago, the average size of farms in a state was 160 acres. From a recent survey of 27 farms, the mean and standard
deviation were found to be 180 and 36 acres, respectively.
Is there strong evidence that the average farm size is larger than what it was 5 years ago?
Please, find 98% confidence interval for the current average size.
(163.8275488; 197.1724512)
(163.8275488; 196.1724512)
(162.8275488; 196.1724512)
(162.8275488; 197.1724512)