As an active adult, you are often curious about the people you see while at the gym. You decide to take a survey of the ages of a random sample of people while working out one day. The results of your survey are summarized below: 1-Var Stats ( L1) x : 36 . 025 minx : 18 Ex : 1441 Q1 : 26 Ex 2 : 60087 Med : 31 . 5 Sx : 14 . 478078 Q3: 47 ox : 14 . 2959566 maxx : 79 n : 40 a. Using the information above, calculate the IQR, upper fence and lower fence. (3pts) b. Would the maximum or minimum be considered an outlier? Use your answer from part a) to justify your answer. (1pt) c. Construct and interpret a 90% confidence interval for the average age of all members of your gym using the t-distribution. (4pts)