The Art of Statistics audiobook cover - Learning from Data

The Art of Statistics

Learning from Data

David Spiegelhalter

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The Art of Statistics
The Role of Statistics+
Flaws in Data Collection+
Presentation & Visualization+
Scientific & Publication Bias+
Media Distortion+
Common Statistical Fallacies+

Quiz — Test Your Understanding

Question 1 of 8
What does the acronym PPDAC stand for in the context of a statistician's workflow?
  • A. Predict, Plan, Data, Assess, Conclude
  • B. Problem, Plan, Data, Analysis, Conclusion
  • C. Propose, Prepare, Distribute, Analyze, Communicate
  • D. Process, Predict, Discover, Assess, Confirm
Question 2 of 8
According to the book, why did the number of recorded sexual offenses in the UK almost double between 2014 and 2017?
  • A. There was a sudden, unprecedented spike in criminal behavior nationwide.
  • B. Changes in the legal definition of sexual offenses expanded what was considered a crime.
  • C. Police recording practices changed after a report criticized how they previously recorded offenses.
  • D. A new statistical software automatically categorized other crimes as sexual offenses.
Question 3 of 8
How does the framing of a statistical claim affect its interpretation?
  • A. Framing a statistic as a percentage always makes it seem less threatening than using raw numbers.
  • B. The language used to frame a statistical claim can drastically alter its emotional impact on the audience.
  • C. Framing only affects how data is collected, not how the public perceives the final results.
  • D. Proper framing eliminates all inherent biases present in the original data set.
Question 4 of 8
What was the primary statistical lesson drawn from the brain imaging study conducted on a dead Atlantic salmon?
  • A. Animals can exhibit measurable neurological responses to human emotions even after death.
  • B. Repeating tests numerous times increases the likelihood of finding false positives due to chance error.
  • C. Brain imaging technology is fundamentally flawed and should not be used in statistical research.
  • D. Scientific journals actively fabricate data to create sensational, groundbreaking stories.
Question 5 of 8
When the media reported an 18 percent increased risk of bowel cancer from eating processed meat, what crucial statistical distinction did they fail to emphasize?
  • A. The difference between correlation and causation.
  • B. The difference between mean, median, and mode averages.
  • C. The difference between relative risk and absolute risk.
  • D. The difference between a false positive and a true positive.
Question 6 of 8
Why is the mean average often a misleading metric to use when analyzing a data set like the 'number of sexual partners' people have had?
  • A. It fails to account for individuals who refuse to answer the survey.
  • B. It is easily skewed by a small number of extreme outliers, failing to represent the typical experience.
  • C. It only reflects the most common answer given by respondents, ignoring the rest of the data.
  • D. It requires the data to be perfectly symmetrical, which is impossible in social surveys.
Question 7 of 8
A study finds that people who don't drink alcohol have a higher death rate than moderate drinkers. Statisticians believe this is likely an example of:
  • A. Reverse causation, because people who are already ill tend to avoid alcohol.
  • B. Ascertainment bias, because moderate drinkers are more likely to visit doctors.
  • C. A lurking factor, because the weather affects both alcohol consumption and overall health.
  • D. The gambler’s fallacy, because health outcomes balance out over a long period of time.
Question 8 of 8
Why might a woman only have an 8 percent chance of actually having breast cancer after receiving a positive result from a 90 percent accurate mammography screening?
  • A. The equipment used for mammography screenings degrades in accuracy over time.
  • B. The doctors administering the tests are prone to ascertainment bias.
  • C. There are far more false positives because the group of women who don't have breast cancer is vastly larger than the group who do.
  • D. The 90 percent accuracy rate is a fabricated statistic created by selective reporting in medical journals.

The Art of Statistics — Full Chapter Overview

The Art of Statistics Summary & Overview

The Art of Statistics (2019) is a non-technical introduction to the basic concepts of statistical science. Sidelining abstract mathematical analyses in favor of a more human-oriented approach, it explains how statistical science is helping us to answer questions and tell more informative stories. Stepping beyond the numbers, it also considers the role that the media and psychological bias play in the distortion of statistical claims. In these blinks you’ll find the tools and knowledge needed to understand and evaluate these claims.

Who Should Listen to The Art of Statistics?

  • Statistics students looking for a non-technical overview of basic issues
  • Journalists who want to report statistics more accurately
  • Anyone who wants to better evaluate the statistical claims they encounter day-to-day

About the Author: David Spiegelhalter

David Spiegelhalter is a British statistician and statistics communicator. One of the most cited and influential researchers in his field, he serves as the Winton Professor for the Public Understanding of Risk in the Statistical Laboratory at the University of Cambridge. He was president of the Royal Statistical Society for 2017 and 2018.

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