11. The results of a test marked out of 25 written by 20 learners were as...

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11. The results of a test marked out of 25 written by 20 learners were as follows: 17 13 12 14 12 18 17 19 17 17 19 22 23 22 22 24 23 24 22 Using class intervals of 1-5, 6-10, 11-15,..., construct a frequency table for the results. 11. The results of a test marked out of 25 written by 20 learners were as follows: 17 13 12 14 12 18 17 19 17 17 19 22 23 22 22 24 23 24 22 Using class intervals of 1-5, 6-10, 11-15,..., construct a frequency table for the results.