Bulletproof Problem Solving: The One Skill That Changes Everything by Robert McLean

Author:Robert McLean
Language: eng
Format: mobi
ISBN: 9781119553021
Publisher: Wiley
Published: 2019-03-05T21:00:00+00:00

Sequence Your Thinking

The process we recommend for deciding when to use the big guns is a sequential one. Our preferred sequence, not surprisingly, is to start with clearly defining the problem and forming initial hypotheses. Then get to know your data by looking at the mean, median, and mode, as well as other summary statistics. Plotting the distributions of key variables will point to the skew (difference from a normal distribution), if any, in the data. Experiment with visualizing the data and correlations with scatter plots or hot‐spot diagrams (Exhibit 6.2, which shows the air quality and asthma in London, is a good example of this). Of course this assumes you have data—we'll show some approaches to dealing with limited data environments below.

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