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Solutions to Exercises in Chapter 1

22 April, 2016 - 16:12
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Solution to Example 1.5, Problem

Items 1, 5, 11, and 12 are quantitative discrete; items 4, 6, 10, and 14 are quantitative continuous; and items 2, 3, 7, 8, 9, and 13 are qualitative.

Solution to Example 1.8, Problem

  1. 29%
  2. 36%
  3. 77%
  4. 87
  5. quantitative continuous
  6. get rosters from each team and choose a simple random sample from each

Solution to Example 1.9, Problem

No. Frequency column sums to 18, not 19. Not all cumulative relative frequencies are correct.

  1. False. Frequency for 3 miles should be 1; for 2 miles (left out), 2. Cumulative relative frequency column should read: 0.1052, 0.1579, 0.2105, 0.3684, 0.4737, 0.6316, 0.7368, 0.7895, 0.8421, 0.9474, 1.
  2. \frac{5}{19}
  3. \frac{7}{19},\frac{12}{19},\frac{7}{19}