Against All Odds: Inside Statistics


Season 1, Episode 22 (Control Charts)

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This quality control method helped Quest Diagnostics streamline and improve their system for processing and testing lab samples so they could meet their nightly deadlines.

Season 1, Episode 21 (Sampling Distributions)

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Heights of third graders in one class. Quality scores for circuit boards at a factory. Taking multiple samples allows us to visualise the sampling distribution of the sample mean.

Season 1, Episode 20 (Binomial Distributions)

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Sickle cell disease is an example of binomial distribution in families with two parents who are carriers for this genetic trait.
Episodes 2017

Season 1, Episode 15 (Census And Sampling)

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The U.S. counts every resident every ten years - or at least tries to. Statisticians use sampling from a population as an alternative to a complete count, as utilised at a potato chip factory.

Season 1, Episode 14 (Designing Experiments)

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We move beyond observational studies - like one of marine life in the remote Line Islands - to designing experiments that manipulate various subject groups - as in the case of a medical study about osteoarthritis treatments.

Season 1, Episode 13 (The Question Of Causation)

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This historical story describes how researchers untangled the relationship between smoking and lung cancer.

Season 1, Episode 12 (Two-way Tables)

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One city surveyed the happiness of its residents. Two-way tables help organise the data and tease out relationships between happiness levels and opinions about aspects of the city itself.

Season 1, Episode 11 (Correlation)

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Twin studies track how similar identical and fraternal twins are on various characteristics, even if they don't grow up together. Correlation lets researchers put a number on it.

Season 1, Episode 10 (Fitting Lines To Data)

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Winter snowpack in the Colorado Rockies can predict spring water supply. Plotting annual measurements in a scatterplot lets resource managers draw a regression line that helps them forecast water availability.

Season 1, Episode 9 (Scatterplots)

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Plotting annual numbers of Florida powerboat registrations and manatee killings suggests an uncomfortable relationship for the marine mammals.