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Question
How many class intervals have a frequency of less than 30 in the given histogram?
How many class intervals have a frequency of less than 30 in the given histogram?
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Solution
The correct option is B 2
From the histogram given class intervals 10-20 and 20-30 have a frequency 5 and 20 respectively, which is less than 30.
Hence, there are 2 intervals which have a frequency of less than 30.
From the histogram given class intervals 10-20 and 20-30 have a frequency 5 and 20 respectively, which is less than 30.
Hence, there are 2 intervals which have a frequency of less than 30.
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