Based on a sample of 62 households, the mean weight of discarded plastic is 1.91 pounds and

Question:

Based on a sample of 62 households, the mean weight of discarded plastic is 1.91 pounds and the standard deviation is 1.07 pounds (data from the Garbage Project at the University of Arizona). Use a single value to estimate the mean weight of discarded plastic for all households. Also, find the 95% confidence interval.