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Algebra 1 · Chapter 12 · Lesson 12.6 · Printable PDF

Interpreting a Standard Deviation Worksheet with Answer Key

7 problems on interpreting a standard deviation: how many deviations a value is from the mean, espresso shot times, letter weights, apple weights, judges' scores, outliers in bike-share rides, quiz scores, and comparing two runners. 3 pages, with a worked answer key.

7 problems3 pagesanswer key
Printable Interpreting a standard deviation worksheet with answer key - Algebra 1 (Page 1 PDF preview)
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Try one first: a free Chapter 1 worksheet (PDF, no sign-in).

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What's on the worksheet

  1. Espresso shots: describe how far each shot time is from the mean in standard deviations.
  2. Post office letters: find the mean and standard deviation and interpret them.
  3. Apple orchard report: judge three students' readings of the mean and standard deviation.
  4. Give five judges' scores with a mean of 5 and a given standard deviation.
  5. Bike-share rides: see how a forgotten-to-dock outlier changes the mean and spread.
  6. Check Luis's reported standard deviation of his five quiz scores.
  7. Compare two runners' 400 m times using their means and standard deviations.

Teach it first

The free lesson teaches it with worked examples and practice problems.

Interpreting a standard deviation: the lesson ›

More Chapter 12 worksheets: One-variable statistics