Question

uency of the class interval 6–11.
8. If in a frequency distribution the overlapping class intervals are of equal size and the class mark
of consecutive intervals are as given below then determine the class intervals.
(a) 10, 20, 30, 40
(b) 5.5, 10.5.155 205 20​

Answer 1

Answer:

10 20 30 40.............

Answer 2

Answer:

option "@"

Step-by-step explanation:

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