Research methods for business students summary

Quantitative Methods for Business chapter 1 ppsx

Quantitative Methods for Business chapter 1 ppsx
... 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 providing an electricity supply and 7 .11 pence for every unit ... 4.5 * 10 1 4.5 * 10 0 4.5 * 10 1/2 4.5 * 10 Ϫ3 4.5 * 10 5 Match the operations on the left below to the answers on the right (i) (ii) (iii) (iv) (v) (vi) (vii) 1. 4 14 or Ϫ8 1. 5 or 1. 5 48 20 18 12 or...
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Quantitative Methods for Business chapter 2 doc

Quantitative Methods for Business chapter 2 doc
... 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 lines in Example 2. 11 In Figure 2. 11 ... by elimination: (a) 3x ϩ 2y ϭ xϩ yϭ3 (c) 2x ϩ 7y ϭ 4x ϩ 3y ϭ 17 (d) 6x ϩ 6y ϭ 27 4x ϩ 5y ϭ 22 2. 4 (b) 5x ϩ 3y ϭ 19 2x Ϫ y ϭ (e) 3x Ϫ 2y ϭ x ϩ 4y ϭ 26 (f) 12x ϩ 4y ϭ 2x Ϫ y ϭ Following a crash,...
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Quantitative Methods for Business chapter 3 ppt

Quantitative Methods for Business chapter 3 ppt
... 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 for business Chapter The ... Quantitative methods for business Chapter Review questions Answers to these questions, including fully worked solutions to the Key questions marked with an asterisk(*), are on pages 633636 3. 1*...
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Quantitative Methods for Business chapter 4 doc

Quantitative Methods for Business chapter 4 doc
... 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 4. 20 65 78 49 74 75 68 24 46 81 45 28 66 51 ... sale at a car hypermarket are: 48 60 1720 2350 2770 3 340 42 40 48 50 43 90 3870 2790 3 740 2230 1690 2750 1390 49 90 3660 1900 5200 43 90 3690 1760 48 00 1730 2 040 40 70 2670 4. 17 Create a frequency distribution...
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Quantitative Methods for Business chapter 5 potx

Quantitative Methods for Business chapter 5 potx
... £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 values in the stem and leaf display 45 68 61 ... restaurants they operate in East Anglia are: 53 59 52 38 50 56 59 48 52 62 74 55 51 52 47 51 41 52 28 73 41 45 68 61 47 39 48 Produce a stem and leaf display for these data Every value consists of...
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Quantitative Methods for Business chapter 6 pps

Quantitative Methods for Business chapter 6 pps
... 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 Chapter (2 46. 889) The means are the same, ... 15)/9 ϭ 7.111 Length of service (x) 4 10 11 15 64 (64 )2 (61 6 Ϫ )ϭ ϭ 20.111 ϭ 4.485 sϭ Slugar: x2 16 16 25 49 64 100 121 225 61 6 (61 6 Ϫ 455.111) ϭ ( 160 .889) Mean ϭ (0 ϩ ϩ ϩ ϩ ϩ 10 ϩ 10 ϩ 14 ϩ 15)/9...
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Quantitative Methods for Business chapter 7 potx

Quantitative Methods for Business chapter 7 potx
... 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 Figure 7. 5 Good negative correlation ... Number sold (y) 324 400 xy 144 120 (Continued) 242 Quantitative methods for business x2 Price (x) 25 27 28 32 Chapter Number sold (y) xy 625 72 9 78 4 1024 bϭ 125 54 56 32 ∑x2 ϭ 3886 ∑x ϭ 150 2 ∑y...
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Quantitative Methods for Business chapter 8 potx

Quantitative Methods for Business chapter 8 potx
... 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 To expand their business they ... present value (£) 89 36 1 980 Ϫ1265 Ϫ7360 272 Quantitative methods for business Chapter Plot these and use the graph to estimate the internal rate of return for the project 10,000 80 00 Net present...
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Quantitative Methods for Business chapter 9 pdf

Quantitative Methods for Business chapter 9 pdf
... 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 series values in Example 9. 2 In Figure 9. 2 the ... 33.0 6.8 33.828 6. 391 Ϫ0.828 0.4 09 0.686 0.167 2 2 Winter Spring Summer Autumn 15.4 34.8 36.2 7.4 14.241 35.541 35.603 7 .99 1 1.1 59 Ϫ0.741 0. 597 Ϫ0. 591 1.343 0.5 49 0.356 0.3 49 3 3 Winter Spring...
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Quantitative Methods for Business chapter 10 pot

Quantitative Methods for Business chapter 10 pot
... 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 for business Chapter 10 (c) What ... convenient because it is based more on row and column totals of 326 Quantitative methods for business Chapter 10 the table in Example 10. 3 rather than numbers from different cells within the table...
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Quantitative Methods for Business chapter 11 pps

Quantitative Methods for Business chapter 11 pps
... 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 business Chapter 11 We can indicate ... probability 366 Quantitative methods for business Chapter 11 that s/he makes a claim as a result of vehicle theft is 0.05 The typical payment for a major accident claim is £4500, for a minor accident...
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Quantitative Methods for Business chapter 12 pptx

Quantitative Methods for Business chapter 12 pptx
... 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 Chapter 12 should be sufficient for your immediate ... within the allocation for a certain outcome, for the purposes of the simulation that outcome is deemed to have occurred 390 Quantitative methods for business Chapter 12 Example 12. 8 The Munich company...
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Quantitative Methods for Business chapter 13 pdf

Quantitative Methods for Business chapter 13 pdf
... (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 for interview take a psychometric ... the shaded area in Figure 13. 6 0.4 P(Z ϭ z) 0.3 0.2 0.1 0.0 Ϫ3 Ϫ2 Ϫ1 Figure 13. 6 Example 13. 1 (f ): P(0.38 Ͻ Z Ͻ 2.71) z 414 Quantitative methods for business Chapter 13 Another way of approaching...
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Quantitative Methods for Business chapter 14 pot

Quantitative Methods for Business chapter 14 pot
... 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 day for each activity that ... durations and crash costs of these activities are set out in Table 14. 3 452 Quantitative methods for business Chapter 14 Table 14. 3 Crash durations and crash costs of operations C, F and G Crash...
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