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Question
The median class for the given data is ____________
Height(in cm)Less than 140Less than 145Less than 150Less than 155Less than 160Less than 165No. of girls41129404651
The median class for the given data is ____________
Height(in cm)Less than 140Less than 145Less than 150Less than 155Less than 160Less than 165No. of girls41129404651
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Solution
The correct option is B 145-150
The given table can be written as:
Height(in cm)Less than 140140−145145−150150−155155−160160−165No. of girls47181165
Since there are a total of 51 observations, the median class is the one whose cumulative frequency is closest to and greater than 25.5. Thus, the class interval 145-150 is the required answer.
145-150
The given table can be written as:
Height(in cm)Less than 140140−145145−150150−155155−160160−165No. of girls47181165
Since there are a total of 51 observations, the median class is the one whose cumulative frequency is closest to and greater than 25.5. Thus, the class interval 145-150 is the required answer.
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