Some students in j.h.s 2 took a test. their results out of 100 were: 64 82 85 99 96 81 97 78 80 84 87 98 75 86 88 82 81 86 80 50 84 88 83 82 80 81 i. draw a stem-and-leaf plot for this data. ii. how many students look the test? iii. the pass mark was 65. how many students passed the test?
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