Over the last century (100 years), there were 100 months of September. Each month of September had 30 days. For a study of climates, 200 days in September during the past century are selected at random and the high temperature for the day is recorded in the city of Ukiah. For these days, M = 81.9 Fahrenheit, s = 7.4 Fahrenheit. The lowest high temperature was 52 F and the highest was 107 F.

What is the value of N?

What is the value of the population mean?