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CodeSignal

The Normal Distribution

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Overview

You'll build a lasting feel for the normal distribution — its symmetric bell shape, the way values cluster near the center and thin out toward the tails, and how its center and spread set its position and width. You'll also see why so many everyday quantities turn out approximately normal.

Syllabus

  • Unit 1: Recognizing the Bell Shape
    • Tracing Curve Symmetry
    • Identify Distribution Shapes
    • Explain The Bell Shape
  • Unit 2: Clustering Around the Center
    • Center and Tail Patterns
    • Typical Values on Bell Curves
    • Explain Commute Time Patterns
  • Unit 3: Center and Spread
    • Compare Bell Curve Features
    • Match Bell Curves And Descriptions
    • Analyze Filling Machine Curves
  • Unit 4: Why Normal Shows Up
    • Small Influences and Repeated Trials
    • Why Bell Curves Appear
    • Explain Scale Readings
  • Unit 5: Spotting Normal Variables
    • Spotting Normal Variables
    • Complete Normal Distribution Statements
    • Justify A Normal Variable

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