Here’s why you shouldn’t walk on escalators is one of the headlines in today’s Times of India . The report, written by Christopher Mele and originally published in New York Times two days back , is an excellent example of how statistics and mathematics can create imaginary worlds which appear real. Take an example. Suppose a man wants to calculate the average income of people living on Altamount Road in Mumbai. He will arrive at a figure which will astound almost all the people living there until they realise that Mukesh Ambani’s house, Antilia, is also situated on their road. From the New York Times The researcher in Mele’s report did just that. Let me simplify the findings. Imagine yourself in a metro railway station which has escalators. Don’t imagine Connaught Place in Delhi whose escalators are so overcrowded at any time that nobody can even dream of walking up or down any of those escalators. Imagine a sparsely populated metro station. There are ten pa
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