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Class 9-10, JEE & NEET
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The class marks of a continuous distribution are 1.04, 1.14, 1.24, 1.34, 1.44,1.54 and 1.64.
Is it correct to say the last interval will be 1.55-1.73? Justify your answer.
It is not correct. Because the difference between two consecutive class marks should be equal to the class size. Here, difference between two
consecutive marks is 0.1 and class size of 1.55-1.73 is 0.18, which are not equal.