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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 girls (cf)41129404651
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 girls (cf)41129404651
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Solution
The correct option is A 145-150
The given table can be written as:
Height(in cm)Less than 140140−145145−150150−155155−160160−165No. of girls (cf)41129404651
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 girls (cf)41129404651
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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