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Different Types of Intervals in Inequality

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Question

Find the missing class interval for the following table given.

A

72 - 84

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B

70 - 80

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C

76 - 82

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D

71 - 81

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Solution

The correct option is B $72 - 84$
The missing interval is $72 - 84$ .
Since the previous class interval width difference $= 72 - 60 = 12$ .

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Different Types of Intervals in Inequality

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