University of Hawaii language professors C. Hitosugi and R. Day incorporated a 10-week extensive reading program into
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to length and complexity. The reading levels for the 266 books are summarized in the following table:
Reading Level................................Number
Level 1 (Red) ................................ 39
Level 2 (Blue) ................................ 76
Level 3 (Yellow) ............................ 50
Level 4 (Pink) ................................ 87
Level 5 (Orange) ............................. 11
Level 6 (Green) ................................ 3
Total.................................. 266
a. Calculate the proportion of books at reading level 1 (red).
b. Repeat part a for each of the remaining reading levels.
c. Verify that the proportions in parts a and b sum to 1
d. Use the previous results to form a bar graph for the reading levels.
e. Construct a Pareto diagram for the data. Use the diagram to identify the reading level that occurs most often.
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