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Consider the following statements in res...

Consider the following statements in respect of class intervals of grouped frequency distribution:
1. Class intervals need out 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?

A

1 and 2 only

B

2 and 3 only

C

1 and 3 only

D

1, 2 and 3

Text Solution

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The correct Answer is:
B
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