Social & Preventive Medicine All are true except A Frequency distributions are usually illustrated by histograms B Frequencies are commonly illustrated by bar cha in qualitative data C Line cha is useful when comparing two or more frequency distributions by drawing them on the same diagram D Bimodal frequency distribution has two tails and one peak 💡 Explanation All are true except ✓ Correct Answer: D. Bimodal frequency distribution has two tails and one peak