All are true about data diagrams except:-: (A) Frequency distributions are usually illustrated by histograms, (B) Frequencies are commonly illustrated by bar cha, (C) Bimodal frequency distribution has two tails and one peak, (D) Frequency polygon is useful when comparing two or more frequency distributions by drawing them on the same diagram
Answer is C. - Bimodal frequency distribution: * Bimodal frequency distribution has two tails and two peaks. - Frequency distributions are usually illustrated by histograms. - Frequencies are commonly illustrated by bar cha . - Frequency polygon is useful when comparing two or more frequency distributions by drawing them on the same diagram.