UPSC NDA 2 2016 Mathematics Solved Paper
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Question : 110 of 120
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Consider the following statements in respect of class intervals of grouped frequency distribution:
1. Class intervals need not be mutually exclusive.
2. Class intervals should be exhaustive.
3. Class intervals need not be of equal width.
Which of the above statements are correct?
1. Class intervals need not be mutually exclusive.
2. Class intervals should be exhaustive.
3. Class intervals need not be of equal width.
Which of the above statements are correct?
[NDA II 2016]
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