alleryਕਲਾਸ ਅੰਤਰਾਲ 0-10, 10-20, 20-30 ਵਿੱਚ ਫ੍ਰੀਕੁਐਂਸੀ 5, 12 ਅਤੇ 8 ਹਨ। ਮਾਡਲ ਕਲਾਸ ਕਿਹੜੀ ਹੈ?
A0-10
B10-20
C20-30
Dਕੋਈ ਨਹੀਂ
Answer & Solution
Correct answer: B. 10-20
ਸਭ ਤੋਂ ਵੱਧ ਬਾਰੰਬਾਰਤਾ ਵਾਲਾ ਵਰਗ, 12, ਅੰਤਰਾਲ 10-20 ਹੈ।
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