(i) The bars must be clear.
(ii) It must have a scale.
(iii) Bars must be of the same width.
(iv) It must give the correct impression.
(v) The vertical scale starts at origin or 0.
(vi) The axes must be clearly labelled.
(vii) The independent variables are usually on the horizontal axis (x) vertical axis dependent variables (y).
maurice.mutuku answered the question on June 10, 2017 at 13:09
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