Against All Odds: Inside Statistics

2020
11:00

Season 1, Episode 1 (Stemplots)

3.0 4 x
As a first step in visualizing data, we use stemplots to understand measurements taken by the U.S. Army when they size up soldiers in order to design well-fitting gear and supplies for modern warfighters.
15:00

Season 1, Episode 21 (Sampling Distributions)

3.0 5 x
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.
16:00

Season 1, Episode 20 (Binomial Distributions)

4.0 3 x
Sickle cell disease is an example of binomial distribution in families with two parents who are carriers for this genetic trait.
11:00

Season 1, Episode 17 (Introduction To Probability)

4.0 2 x
Probability is the mathematics of chance behaviour - and can help predict events such as the daily weather, or whether an asteroid will collide with Earth.
11:00

Season 1, Episode 16 (Sample And Surveys)

4.0 2 x
A visit to the University of New Hampshire Survey Centre illustrates how pollsters create accurate surveys. They can then use details from their sample to make inferences about a whole population.
10:00

Season 1, Episode 15 (Census And Sampling)

3.0 2 x
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.
11:00

Season 1, Episode 14 (Designing Experiments)

4.0 2 x
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.
13:00

Season 1, Episode 13 (The Question Of Causation)

4.0 3 x
This historical story describes how researchers untangled the relationship between smoking and lung cancer.
10:00

Season 1, Episode 12 (Two-way Tables)

3.0 5 x
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.
11:00

Season 1, Episode 11 (Correlation)

3.0 2 x
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.
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