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these marks were obtained by class of 28 students in a science test. the maximum mark possible is 25.
20,17,21,15,16,15,12,14,15,19,21,17,20,22,16,19,21,13,22,15,14,18,20,13,18,16,15,19.
a.calculate the mode
b.what would you give as the pass mark? explain your answer

  • maths - ,

    What is the last number? I think the last digit got cut off. The mode is the number that occurs most often. Just by looking at the data, I would guess the mode is 15 because it looks like there is more 15's than any other number. Check that.

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