This task has already been asked with my teacher, however, I have no idea with this task! It is very hard for me! Can you help me about this problem? Thanks a bunch. I really appreciate it.

This subject is STAT101-STATISTICS

Instructions: Construct the FDT, histogram and frequency polygon.

Data Set: Below are the LET scores of the 25 examiners (first-takers and repeaters) of a certain school in Partido, Camarines Sur (Philippines).

67 67 68 68 69

70 71 72 72 73

73 74 74 74 74

75 76 79 79 81

82 83 84 84 85

1. Construct an FDT. Show solution for range (R), number of classes (K) and class size (c).
2. Provide appropriate title for your FDT.
3. Construct histogram and frequency polygon. Provide appropriate labels for your x and y axes.