(assume that all variables are approximately normally distributed) Weights of Elephants: A sample of 8 adult elephants had an average weight of 12,300 pounds. The standard deviation for the sample was...

(assume that all variables are approximately normally distributed)

Weights of Elephants: A sample of 8 adult elephants had an average weight of 12,300 pounds. The standard deviation for the sample was 22 pounds. Find the 95% confidence interval of the population mean for the weights of adult elephants.

(using T distribution)