75 54 55 71 57 58 63 65 60 66 57 62 63 60 63 60 a) Find the population mean use calculator (One decimal place) b) Find population standard deviation use calculator (One decimal place) c) The five summary numbers (min, Q1, Q2, Q3, max.) d) Find the IQR e) Find lower fence and upper fence then checking for outlier f) Construct a boxplot for the data. g) Find the range h) If the professor age is 75 years old, then that age consider unusual? Explain i) If the professor age is 25 years old, then that age consider unusual? Explain