Histograms and Visual Interpretation
Histogram 1 shows the total scores of females. Histogram 2 shows the total scores of males.
Both histograms display negative skew with longer tails on the left than on the right. The kurtosis is flatter among males than among females, which shows a sharp increase around the median; thus the histogram of female totals is mesokurtotic and the histogram of males is more playkurtotic. The modality is different for the two as well: the female histogram is multimodal and the male histogram is bimodal. There appear to be outliers but this could also be judged as the tail of normal distribution and were they removed it would look like an amputee distribution perhaps. Both histograms show significant symmetry with slightly more modality on the right because of the skew.
The strengths of visually interpreting histograms is that it provides a general feel for the shape of the curve and the make-up of the variable, in this case males and females and how they round out as a whole. The weakness of visually interpreting histograms is that it does not provide an exact numerical interpretation for measurement purposes.
Descriptive Statistics
N
Minimum
Maximum
Mean
Std. Deviation
Skewness
Kurtosis
Statistic
Statistic
Statistic
Statistic
Statistic
Statistic
Std. Error
Statistic
Std. Error
id
106484
988808
571366.67
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