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Isolated Issue or Broader Pattern

MediumStatistics & Probability00:00
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Issue Spike Diagnosis

Scenario

You are reviewing daily customer issue counts from the DISH customer care queue. A spike appears in one issue type, and you need to decide whether it looks like a one-off event or part of a broader pattern.

Question

How would you tell whether a customer issue is isolated or part of a broader pattern?

What You Have

baseline_days·30prior_7_day_std·5.2prior_7_day_mean·22.1current_day_issues·31baseline_std_daily_issues·4.6baseline_mean_daily_issues·18.4

What To Decide

How would you tell whether a customer issue is isolated or part of a broader pattern?