Construct a ranked stem-and-leaf plot for the grouped data, established in Practice Question 9.2, representing the percentage marks data given in Table 9.8.

Data from Practice Question 9.2

The data given in Table 9.8 represents the percentage marks scored by 66 candidates in an examination.

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77 59 84 73 73 37 58 63 67 61 51 43 50 81 61 53 69 90 61 50 60 84 56 57 42 43 41 49 37 21 16 33 67 21 24 35 34 30 87 64 27 59 77 50 11 52 30 37 92 88 30 30 73 73 48 38 22 22 49 49 46 46 50 64 26 36 57 85 71 71 57 45 33 Table 9.8 Percentage marks in an examination