Help please

5. Gallons of gasoline used in a 3 month period. Suppose a random sample of drivers were asked how many gallons of gasoline they used in the last three months. Here are the sample results. n = 16; x = 72.1;s = 25.6. Construct a 90% confidence interval for the population mean. If doing by hand, show me your work; if using minitab, give me a printout of the session window. In either case, be sure to summarize with a sentence