The class marks of a frequency distribution are given as follows: 15, 20, 25, ... The class corresponding to the class mark 20 is:
Model Answer & Options
Source: Exemplar12.5 – 17.5
17.5 – 22.5
18.5 – 21.5
19.5 – 20.5
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The marks obtained by 17 students in a mathematics test (out of 100) are given below: 91, 82, 100, 100, 96, 65, 82, 76, 79, 90, 46, 64, 72, 68, 66, 48, 49. The range of the data is:
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The class-mark of the class 130-150 is:
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A die is thrown 1000 times, and the outcomes were recorded as follows. Now if the die is thrown once more, then the probability that it shows 5 is:
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The class mark of the class 90-120 is
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The range of the data: 25, 18, 20, 22, 16, 6, 17, 15, 12, 30, 32, 10, 19, 8, 11, 20