A diet farm claimed an outrageous amount of weight loss. A federal agency conducted an investigation consisting of a random sample of 25 customers and found the mean of the sample to be x bar = 19.3 pounds of weight loss for a monthly stay at the diet farm. The standard deviation, s, was found to be 8.41 lbs. Construct a 95% confidence interval for μ, the true amount of weight loss. Give E, the error of estimate. Give the upper and lower bounds to the confidence interval State in words what we can assert with 95% confidence.
