3) Consider the histogram and sample statistics given below, and answer the following questions. 17.0 17.5 18.0 18.5 19.0 19.5 20.0 Figure 1: Histogram of data. Variable Mean SD Median IQR X 19.46 0.48 19.60 0.61 (a) Describe the shape of the distribution from the histogram. (b) Which of the mean or median is a more appropriate measure of centre and why? (c) Which measure of spread is associated with the chosen measure of centre? Density 0.0 0.2 0.4 0.6 0.8 1.0 1.2

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