Drawing clear lines
Stress in chart-reading


News_retail04imgbSince the posting schedule will again be infrequent as I wind down my trip, here is another graphic from SCMP.

I'd not have plotted both time series because the trends appeared to be the same.  Having both allows the reader to infer that price levels have been relatively stable so that value growth tracked volume growth but a separate line chart showing price levels would have made this point with greater impact.

Reference: "Growth in retail sales tipped to slow", South China Morning Post, Jan 4 2006.


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