Statistics · Chapter 9 · Lesson 9.6 · Printable PDF

Test for a Difference of Means Worksheet with Answer Key

4 problems on test for a difference of means. 3 pages, with a worked answer key.

4 problems3 pagesanswer key
Printable Test for a difference of means worksheet with answer key - Statistics (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. Aisha, a botany student, suspects that dandelions on the grassy verges of a made-up county's roads send up taller flower stalks than dandelions on…
  2. A made-up restaurant buyer compares dried chickpeas from two suppliers, each of whose warehouses holds thousands of 1-kilogram bags.
  3. A made-up hardware co-op designs a screwdriver with a new ridged grip and expects it to let people work faster than its old smooth grip.
  4. A made-up consumer guide suspects that shoe-repair shop A resoles boots faster than shop B.

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

Test for a difference of means: the lesson ›