4. 18 students from a statistics class were asked to record their heights in inches. The heights are listed below:
65 72 68 64 60 55 73 71 52
69 67 74 50 36 75 67 62 66
(a) (5 points) Find the Five number summary
(b) (5 points) Find the IQR: (Q3 - Q₁)
(c) (10 points) Determine if there are any outliers. If there are outliers, please list them. You must show work. Hint: Use the interval (Q₁-1.5 IQR, Q3 +1.5 - IQR)
(d) (10 points) Construct a frequency table for grouped data using four classes. (Create a table that has 4 classes and the associated frequencies of those four classes)