Tuesday 21 January 2014

The decline of cancer rates in the USA

According to the following report the rate of deaths due to cancer in the USA have steadily declined in recent years.

U.S. Cancer death rates fall 20 percent in 20 years

How did the journalists arrive at the claim that cancer rates have declined 20% in 20 years?

The claims made in the article come from data sourced from the American Cancer Society's annual report.

ACS Cancer Facts and Figures 2013

However how accurately does the news article and its headline report these statistics?

Some questions to consider when analysing the data;

According to the American Cancer Society's statistics, have death rates fallen for all types of cancers?

Do males or females have a higher mortality rate?

Are there any other discrepancies with the claims of the article?

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