Consider the quality scores measured for a random sample of agricultural produce:
16.7, 17.9, 23.5, 13.8, 15.9, 15.2, 12.9, 15.7
a. Find the 95% confidence interval for the population mean quality.
b. Find the 95% prediction interval for the quality of the next measurement.
c. Find the 99% confidence interval for the population mean quality.
d. Find the 99% prediction interval for the quality of the next measurement.