Houghton Mifflin Harcourt Algebra 1, 2015
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Houghton Mifflin Harcourt Algebra 1, 2015 View details
4. Normal Distributions
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Exercise 12 Page 342

Take a look at a normal distribution graph. What characteristics can you identify?

See solution.

Practice makes perfect

It is really hard to tell if a data distribution follows a normal distribution by just looking at the histogram. However, the histogram can be approximately normal if it follows the characteristics listed below.

  • It is bell-shaped.
  • It is symmetric about the mean.
  • It has tails on both ends.