Against All Odds: Inside Statistics
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13:00Historical story of how statisticians built the case against DDT as the culprit behind plummeting peregrine falcon population numbers.
09:00Host Dr. Pardis Sabeti's own research examines possible genetic resistance to deadly Lassa fever in West Africa. Using Inference for Two-Way Tables helps untangle potential relationships.
09:00Managers have no clue what conditions actually motivate their workers best, as shown by research conducted by Teresa Amabile, host of the original Against All Odds.
10:00Comparing the activity and calorie expenditure levels of Western office workers and African hunter gatherers adds some surprising new data to the science of obesity.
11:00A brewer uses this technique to monitor quality differences in multiple batches of the same beer.
16:00Is a newly-discovered poem really written by William Shakespeare? Using statistical analysis of his known word use, researchers set up null and alternative hypotheses to investigate.
10:00A battery manufacturer tests just a sample of its product to verify its claims about battery life. A margin of error and a confidence level help quantify its accuracy.
09:00This quality control method helped Quest Diagnostics streamline and improve their system for processing and testing lab samples so they could meet their nightly deadlines.
11:00 10:00A 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.
10:00The 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.
12:00Visit the Boston Beanstalks club for tall people. Height is normally distributed and we can use membership cutoffs and population data to calculate z-scores.
12:00How can we compare sales at two franchises in the Wahoo's restaurant chain? Standard deviation helps us quantify the variability in sales.
13:00This historical story describes how researchers untangled the relationship between smoking and lung cancer.
11:00One 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.
10:00Twin 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.
09:00Using the example of hot dog calorie counts, we use boxplots to visualise the five-number summary and make comparisons between different types of frankfurters.
07:00It's helpful to know the centre of a distribution - which is what the clerical workers in Colorado Springs found out in the 1980s when they campaigned for comparable wages for comparable work.
11:00As 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.
16:00Sickle cell disease is an example of binomial distribution in families with two parents who are carriers for this genetic trait.