Question

The mid value of a class interval is 42. If the class size is 10, then the upper and lower

limits of the class are:-


(a) 37.5 and 47.5

(b) 47 and 37

(c) 37 & 47

(d) 47.5 and 37.5

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Answer 1

Answer:

Mid value=42

class size=10

adjustment factor=10/2=5

upper limit= midvalue+adjustment factor

=42+5=47

lower limit=midvalue-adjustment factor

=42-5=37

Answer=(b) 47 and 37

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