Question

1-10, 11-20, 21-30------.What is the size of these classes? *​

Answer 1

answer

0.5-10.5 , 10.5-20.5 , 20.5-30.5

the groups are not continuous so from the lowest term minus 0.5 and add 0.5 to the class

so that it will become continuous

now the size of the classes is 10

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