![]() ![]() ![]() When we want to know how much are the data spread out.then we want to know the shape of the frequency distribution (uni-modal, bi-modal, multi-modal) and the symmetry (skewed data).When we want to know the number/frequency of a continuous variable.So there is no gap space among the groups. Histogram is just like Bar Chart but the Vertical variable (Y) is Frequency of data and the Horisontal variable (X) is Continuous data (usually the continuous data are grouped into class intervals - the large of interval is depent on the actual data & the research interest). Value for Continuous data (both vertical & horizontal variables, e.g.more concise (detail, as short as possible but clear). ![]()
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