7th Grade Math (Math 7) · Chapter 13 · Lesson 13.4 · Printable PDF

Simple Random Samples and the Sampling Frame Worksheet with Answer Key

7 problems on simple random samples and the sampling frame: each item's chance of being picked, choosing book club members by number, using random digits for lockers, plans that do and do not give a simple random sample, cooks in pairs, and appointment lists. 3 pages, with a worked answer key.

7 problems3 pagesanswer key
Printable Simple random samples and the sampling frame worksheet with answer key - 7th Grade Math (Math 7) (Page 1 PDF preview)
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What's on the worksheet

  1. Find each laptop's chance of being checked in a given week.
  2. Choose members of a book club using their numbers.
  3. Use a row of random digits to pick four lockers.
  4. Decide which plans give a simple random sample of volunteers.
  5. Decide which samples of cooks in pairs are simple random samples.
  6. Word problem: drawing appointments from last year's list for a Sunday opening survey.
  7. Decide if a simple random sample solves each problem with a bike path survey.

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

Simple random samples and the sampling frame: the lesson ›