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Thread: Statistical test for annual crude mortality trend (3 years data=3 data points)

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    Statistical test for annual crude mortality trend (3 years data=3 data points)




    Help,

    I have the crude mortality figures for 2015, 2016, 2017 and would like to know if the figure for 2017 is statistically different. The population stayed constant over the time period.

    Year Deaths Pop Deaths/Pop
    2015 2242 3400000 0.000659412
    2016 2366 3400000 0.000695882
    2017 2838 3400000 0.000834706


    What would be the best test? Is it available in Excel or a common software package?

    Thank you

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    Re: Statistical test for annual crude mortality trend (3 years data=3 data points)


    hi,
    you can use a two-sample proportions test - http://www.r-tutor.com/elementary-st...on-proportions

    No significant difference between 2015 and 2016 and highly significant difference between 2016 and 2017.

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    JNelson (11-09-2017)

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