Back to The Normal Distribution

Exercise 4

Avg difficulty 2.5

Two Normal distributions have the same means but different standard deviations. Distribution A has a standard deviation of 10 inches, and distribution B has a standard deviation of 15 inches. Which curve has a wider spread along the horizontal axis? Why?

Lee et al., Math in Society, §3.5 The Normal Distribution, Exercise 4

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Adapted from Math in Society © 2018–2024 Portland Community College Math Instructors. Licensed under CC BY-SA 4.0. Source: Math in Society. Imported at revision 68ee43c.