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Do Left-handed People Really Die Young?

PrincipianteNivel de habilidad
Actualizado 6/2024
Use pandas and Bayesian statistics to see if left-handed people actually die earlier than righties.
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PythonData ManipulationData VisualizationProbability & Statistics45 minutos10 Tasks1,500 XP6,581

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Descripción del proyecto

Do Left-handed People Really Die Young?

Barack Obama is left-handed. So are Bill Gates and Oprah Winfrey; so were Babe Ruth and Marie Curie. A 1991 study reported that left-handed people die on average nine years earlier than right-handed people. Nine years! Could this really be true? In this project, you will explore this phenomenon using age distribution data to see if we can reproduce a difference in average age at death purely from the changing rates of left-handedness over time, refuting the claim of early death for left-handers. This notebook uses pandas and Bayesian statistics to analyze the probability of being a certain age at death given that you are reported as left-handed or right-handed.

Do Left-handed People Really Die Young?

Use pandas and Bayesian statistics to see if left-handed people actually die earlier than righties.
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  • 1

    Where are the old left-handed people?

  • 2

    Rates of left-handedness over time

  • 3

    Applying Bayes' rule

  • 4

    When do people normally die?

  • 5

    The overall probability of left-handedness

  • 6

    Putting it all together: dying while left-handed (i)

  • 7

    Putting it all together: dying while left-handed (ii)

  • 8

    Plotting the distributions of conditional probabilities

  • 9

    Moment of truth: age of left and right-handers at death

  • 10

    Final comments

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