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Appendix IV: Answers to end of chapter exercises

#### Chapter 1: Presenting and Organizing Data

2. Solutions – Closure

 Question Answer 2 \$4.548 million per office 4 About 21 5 \$10.3 million per office remaining

3. Solutions – Swimming Pool

 Question Answer 3 Polygon is symmetrical 5 20% 7 (a) From ogive, probability of more than 900 using the pool is 14.17% – this is greater than 10%. Probability of fewer than 600 people using the pool is 5.00% – this is less than 10%. Thus, both the conditions are satisfied (b) In Part (a) we have indicated that although the criteria was one or the other, we have shown that both conditions apply, or and. Further at the 10% benchmark ...

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