A poorly-designed graph confuses Business Insider South Africa

It seems like I’m not done criticising poor reporting from South African news sites yet. We had City Press irresponsibly promoting psychics, News24 writing a headline that got almost everything wrong and, now, Business Insider fails to understand numbers and get mislead by a poorly-designed graph. I would’ve thought a business-focussed publication would understand numbers and graphs but, not for the first time, I have been disappointed.

The graph below was produced by Stats SA and reproduced in a Business Insider article about the Rand turning 60. It shows how the price of various goods have increased since 1961. However, the graph is confusing and could easily mislead people. Take a look now and see if you can spot the problem. [Edit (16/02/2021): The BI article has been updated and both the graph and statement have been removed.]

The absolute increase in price of various items. (Source: Stats SA)
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Bad science reporting

Science reporting can be tricky but if your job is to report on such topics then you should do it responsibly. A recent article on Yahoo!, written by Elise Solé, shows a number of bad reporting habits that should be discouraged, starting with the sensationalist headline.

Why Teen Girls Should Avoid Soda

Drinking sugary drinks is bad for you and everyone should try to cut down. I essentially stopped drinking sugary drinks a few years ago for the sake of my teeth but there are many benefits to cutting them completely or merely reducing consumption. However, that’s not what this article is about. Compare it to a headline from another news article on the same subject (I’ll tell you why I chose this one later). Continue reading