alleryکلاس کے وقفوں میں 0-10، 10-20، 20-30 کی تعدد 5، 12 اور 8 ہوتی ہے۔ موڈل کلاس کون سی ہے؟
A0-10
B10-20
C20-30
Dکوئی نہیں۔
Answer & Solution
Correct answer: B. 10-20
سب سے زیادہ فریکوئنسی والی کلاس، 12، وقفہ 10-20 ہے۔
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