Video Details

Against All Odds - Inside Statistics

Grade Levels: 9 - 12
Core Subject(s): Mathematics
Website: http://www.uen.org/emedia
Usage rights: Download and retain personal copies in perpetuity.

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Episodes:

  • Against All Odds - Inside Statistics: Binomial Distributions

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

    Length: 00:00:00
  • Against All Odds - Inside Statistics: Boxplots

    Using the example of hot dog calorie counts, we use boxplots to visualize the five-number summary and make comparisons between different types of frankfurters.

    Length: 00:09:06
  • Against All Odds - Inside Statistics: Case Study

    This review of the course through the preceding 31 video modules provides an overview of the practice of statistics and helps students appreciate how statistical methods can help them better understand their world.

    Length: 00:06:47
  • Against All Odds - Inside Statistics: Census and Sampling

    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 utilized at a potato chip factory.

    Length: 00:09:44
  • Against All Odds - Inside Statistics: Checking Assumptions of Normality

    Production at Pete and Gerry's Organic Eggs provides a number of distributions that look normal ? but are they?

    Length: 00:10:46
  • Against All Odds - Inside Statistics: Comparing Two Means

    Comparing the activity and calorie expenditure levels of Western office workers and African hunter gatherers adds some surprising new data to the science of obesity.

    Length: 00:11:00
  • Against All Odds - Inside Statistics: Confidence Intervals

    A 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.

    Length: 00:10:02
  • Against All Odds - Inside Statistics: Control Charts

    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.

    Length: 00:09:35
  • Against All Odds - Inside Statistics: Correlation

    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.

    Length: 00:10:50
  • Against All Odds - Inside Statistics: Designing Experiments

    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.

    Length: 00:11:11
  • Against All Odds - Inside Statistics: Fitting Lines to Data

    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.

    Length: 00:10:45
  • Against All Odds - Inside Statistics: Histograms Distributions

    Meteorologists use histograms to map when lightning strikes and this visualization technique helps them understand the data in new ways

    Length: 00:00:00
  • Against All Odds - Inside Statistics: Inference for Proportions

    Managers 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.

    Length: 00:10:46
  • Against All Odds - Inside Statistics: Inference for Regression

    Historical story of how statisticians built the case against DDT as the culprit behind plummeting peregrine falcon population numbers.

    Length: 00:13:47
  • Against All Odds - Inside Statistics: Inference for Two Way Tables

    Host 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.

    Length: 00:10:04
  • Against All Odds - Inside Statistics: Introduction to Probability

    Probability is the mathematics of chance behavior — and can help predict events such as the daily weather, or whether an asteroid will collide with Earth.

    Length: 00:11:20
  • Against All Odds - Inside Statistics: Measures of Center

    It's helpful to know the center 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. Mean and median are two different ways to describe the center.

    Length: 00:08:50
  • Against All Odds - Inside Statistics: Normal Calculations

    Visit the Boston Beanstalks club for tall people. Height is normally distributed and we can use membership cutoffs and population data to calculate z-scores.

    Length: 00:12:49
  • Against All Odds - Inside Statistics: Normal Curves

    A nature preserve that's tracked bird migrations through New England for decades records tons of bird-related data; everything from wingspan measurements to arrival dates provides examples of normal distributions.

    Length: 00:12:08
  • Against All Odds - Inside Statistics: One-Way ANOVA

    Does holding a heavier clipboard make you estimate that a jar of coins has more money in it than if you're holding a lighter clipboard? Psychologists use One-Way ANOVA to analyze the data from this experiment.

    Length: 00:12:28
  • Against All Odds - Inside Statistics: Probability Models

    Casinos are as well versed in probability as statisticians and probability models help them maintain the house advantage over gamblers.

    Length: 00:10:33
  • Against All Odds - Inside Statistics: Question of Causation

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

    Length: 00:14:05
  • Against All Odds - Inside Statistics: Random Variables

    The Challenger space shuttle disaster was blamed on faulty O-rings. How can probability calculations on random variables help predict the chances of this kind of failure?

    Length: 00:00:00
  • Against All Odds - Inside Statistics: Samples and Surveys

    A visit to the University of New Hampshire Survey Center illustrates how pollsters create accurate surveys. They can then use details from their sample to make inferences about a whole population.

    Length: 00:10:05
  • Against All Odds - Inside Statistics: Sampling Distributions

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

    Length: 00:12:01
  • Against All Odds - Inside Statistics: Scatterplots

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

    Length: 00:08:59
  • Against All Odds - Inside Statistics: Small Sample Infer for One Mean

    A brewer uses this technique to monitor quality differences in multiple batches of the same beer.

    Length: 00:12:29
  • Against All Odds - Inside Statistics: Standard Deviation

    How can we compare sales at two franchises in the Wahoo's restaurant chain? Standard deviation helps us quantify the variability in sales

    Length: 00:09:07
  • Against All Odds - Inside Statistics: Stemplots

    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

    Length: 00:00:00
  • Against All Odds - Inside Statistics: Tests of Significance

    Is 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.

    Length: 00:16:43
  • Against All Odds - Inside Statistics: Two-Way Tables

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

    Length: 00:00:00
  • Against All Odds - Inside Statistics: What is Statistics?

    Statistics is the art and science of gathering, organizing, analyzing and drawing conclusions from data. And without rudimentary knowledge of how it works, people can't make informed judgments and evaluations of a wide variety of things encountered in daily life

    Length: 00:06:26

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