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The record of marks out of 20 in Mathematics in the first unit test is as follows: 20,6, 14, 10, 13, 15, 12, 14, 17. 17, 18, 1119, 9, 16. 18, 14, 7, 17, 20, 8, 15, 16, 10, 15, 12. 18, 17, 12, 11, 11, 10, 16, 14, 16, 18, 10, 7, 17, 14, 20, 17, 13, 15, 18, 20, 12, 12, 15, 10Answer the following questions, from the above information. a. How many students scored 15 marks? b. How many students scored more than 15 marks? c. How many students scored less than 15 marks? d. What is the lowest score of the group? e. What is the highest score of the group? |
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Answer» a. 5 students scored 15 marks. b. 20 students scored more than 15 marks. c. 25 students scored less than 15 marks. d. 6 is the lowest score of the group. e. 20 is the highest score of the group. |
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