Quantitative methods for business 5th waters

... and regression? Review questions 99 10 2 10 8 10 9 11 1 11 1 11 6 12 3 12 8 13 5 13 6 14 3 15 7 16 0 16 2 16 9 17 0 17 7 17 8 19 4 211 213 215 223 224 237 244 247 248 Contents Chapter vii Counting the cost – summarizing ... service 30 Quantitative methods for business 1. 13 1. 14 1. 15 Chapter An energy company charges households a quarterly fee of £9.20 for...

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... in Figure 2. 5 1000 y (wage in £) 800 600 400 20 0 0 20 00 4000 x (sales in £) Figure 2. 5 The lines of the equations in Examples 2. 1 and 2. 3 6000 38 Quantitative methods for business Chapter You ... diagram Quantitative methods for business Cost/Revenue (£m) 48 Chapter 16 14 12 10 0 20 40 60 Output (000) 80 100 120 Figure 2. 11 Total cost and total revenue line...

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... 100 200 30 0 400 500 600 700 800 8.000 4.000 2.667 2.000 1.600 1 .33 3 1.1 43 1.000 The equation is plotted in Figure 3. 3 y (demand in 000) 0 200 400 600 x (price in £) 800 1000 Figure 3. 3 The demand ... cost in £ 400 35 0 30 0 250 200 150 100 50 0 10 Q (Order quantity) 15 Figure 3. 7 Total annual stock-holding cost and order quantity in Example 3. 10 96 Quantitative methods fo...

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... employment agency are: 6.28 4. 41 5.73 6 .48 4. 90 4. 52 5.11 5. 94 5.82 7. 14 7.28 8.15 7. 04 4.67 6.90 5.85 5.65 5.50 4. 12 5.27 5.25 6 .43 4. 65 5.37 4. 24 6 .45 4. 70 5.09 4. 82 6.23 5 .40 5.26 Construct a grouped ... 53 72 50 70 49 58 35 62 47 55 87 54 38 64 39 44 67 44 79 70 40 67 57 64 85 63 34 52 89 59 38 The marks for the staff from Southampton were: 51 85 29...

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... £s for 17 fitness centres in local authority leisure centres are: 28 55 5. 12 44 60 43 78 4.90 4.67 4. 65 5.26 4 .52 5. 11 5. 94 5. 82 7.14 7.28 5. 15 6.90 5. 85 5. 65 5 .50 4.12 5. 27 5. 25 5.37 4.24 6. 45 ... capacities for these five restaurants are shown in bold type below: 53 59 52 38 50 56 59 48 52 62 74 55 51 52 47 51 41 52 28 73 41 We can embolden these...

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... 7.5 62 .5 175.0 135.0 27.5 56. 25 1 56. 25 3 06. 25 5 06. 25 7 56. 25 56. 25 781.25 3 062 .50 3037.50 7 56. 25 ∑f ϭ 23 Cost of calls ∑fx ϭ 407.5 Frequency (f ) ∑fx2 ϭ 769 3.75 ⎡ (407.5)2 ⎤ ⎡ 166 0 56. 25 ⎤ 769 3.75 ... service (x) 0 4 10 10 14 15 64 x2 0 16 16 49 100 100 1 96 225 702 208 Quantitative methods for business (64 )2 (702 Ϫ )ϭ ϭ 30. 861 ϭ 5.555 sϭ (702 Ϫ 455.111) ϭ Ch...

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... Example 7. 1? Figure 7. 1 shows that the scatter of points representing the data nearly forms a straight line, in other words, there is a pronounced linear 230 Quantitative methods for business Chapter ... weaker Y 20 10 0 Figure 7. 3 Perfect negative correlation X X Y 20 10 Figure 7. 4 Good positive correlation 232 Quantitative methods for business Chapter Y 20 10 0 F...

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... between the RPI for 2000 and the RPI for the year concerned 170.3 ϭ 28. 4 98 i.e £ 28, 4 98 173.3 170.3 ϭ 28. 995 i.e £ 28, 995 Adjusted 2002 salary ϭ 30 * 176.2 170.3 ϭ 30.9 98 i.e £30,9 98 Adjusted 2003 ... one that performs better overall 266 Quantitative methods for business Chapter Example 8. 8 Gravura Print specialize in precision graphics for the art poster market...

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... 0.672 0. 597 1.4 89 1.500 Total Mean 1.2 69 0.6345 2 .98 9 1. 494 5 Summer Autumn 1.528 1.5 49 0.307 0.312 3.077 1.5385 0.6 19 0.3 095 Sum of the means ϭ 0.6345 ϩ 1. 494 5 ϩ 1.5385 ϩ 0.3 095 ϭ 3 .97 7 300 Quantitative ... 16.000 Quantitative methods for business Chapter 40 35 Customers (000s) 290 30 25 20 15 10 5 11 Day 13 15 17 19 21 Figure 9. 2 The moving averages and seri...

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... that: (a) the businesses that Declan, Emily and Farid start all stay in operation for at least a year? 344 Quantitative methods for business 10. 13 10. 14 10. 15 10. 16 Chapter 10 (b) the businesses ... allocated a Business seat on none of the journeys? (b) What is the probability that you are allocated a Business seat on one of the journeys? 346 Quantitative methods...

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... decision-making, that yields the highest EMV 354 Quantitative methods for business Chapter 11 Example 11. 8 The proprietors of the business in Example 11. 3 estimate that the probability that demand ... 5000 No order Figure 11. 3 Amended decision tree for Example 11. 10 Changed strip 0.75 1000 No changed strip 0.25 No final 0.4 2500 358 Quantitative methods for bus...

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... bacteria? (d) less than two eggs contain harmful bacteria? 400 Quantitative methods for business 12. 8 12. 9* 12. 10 12. 11 12. 12 12. 13 Chapter 12 Two in five people can associate a particular piece of ... examples in section 12. 2 and 12. 3 of this chapter we have used Tables and on pages 618–619 of Appendix These tables 394 Quantitative methods for business...

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... (a) What proportion of bearings will fail before the warranty mileage is reached? 432 Quantitative methods for business 13. 12* 13. 13 13. 14 13. 15 Chapter 13 (b) An alternative supplier offers the ... 10% least fuel efficient cars? 430 Quantitative methods for business 13. 5 13. 6 13. 7 Chapter 13 A large company insists that all job applicants who are invited...

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... event times for Example 14. 3 are included in Figure 14. 6 Each event now has a number entered in the lower right-hand side of its node 444 Quantitative methods for business Chapter 14 33 39 F ... your network diagram for the project to work out the total float for each activity 464 Quantitative methods for business Chapter 14 (b) Work out the crash cost per...

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... should therefore reflect the population as a whole However, there is 468 Quantitative methods for business Chapter 15 no guarantee that the elements of the population that are chosen for the sample ... random number Example 15. 4 How can the HR director in Example 15. 3 use systematic sampling to select her sample of 400 employees? 472 Quantitative methods for business...

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