What will be the lower limit of the class, if in a frequency distribution, the mid-value of a class is 10 and width of each class is 6?

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answer is B.

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Detailed Solution

We have to find the lower limit of the class, if in a frequency distribution, the mid-value of a class is 10 and width of each class is 6.
Subtracting half of the width of each class that is, 6 from the mid-value of the class that is, 10.

10 − 62 = 10 − 3 = 7

So, the lower limit of the class is 7.
Therefore, option 2 is correct.

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