Which two classes have the same frequency? Class Interval Frequen… - Vidyadip

MCQ

Which two classes have the same frequency?

Class Interval	Frequency
$0 - 10$	$1$
$10 - 20$	$6$
$20 - 30$	$20$
$30 - 40$	$12$
$40 - 50$	$6$
Total	$45$

A
$20 – 30$ and 4$0 – 50$
B
$10 – 20$ and $20 – 30$
✓
$10 – 20$ and $40 – 50$
D
None of these.

✓

Answer

Correct option: C.

$10 – 20$ and $40 – 50$

$10 – 20$ and $40 – 50$

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