Chapter 4. Hypothesis testing The main aim of the module is to familiarize students with the theoretical knowledge of hypothesis testing and then train them in applying theory to economic practice. After completing this module‚ students will be familiar with: the procedure of hypothesis testing; the possible outcomes in hypothesis testing; the difference between significant and nonsignificant statistical findings. After completing this module‚ students will be able to:
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Question1 A fast food restaurant currently pays $5 per hour for servers and $50 per hour to rent ovens and other kitchen machinery. The restaurant uses seven hours of server time per unit of machinery time. Determine whether the restaurant is minimizing its cost of production when the ratio of marginal products (capital to labor) is 12. If not‚ what adjustments are called for to improve the efficiency in resource use? The ratio of prices PK/PL= r/w= 50/5=10 and The capital
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15‚15$ 15$ Number of cases 80.000*0‚84 =67.200$ 80.000*0‚84 =67.200$ 8.000*0‚84 =6.720$ 30.000*0‚84 =25.200$ 800.000 Number of Orders 16*200 =3.200$ 40*200 =8.000$ 20*200 =4.000$ 30*200 =6.000$ 500 Number of Deliveries 110 400 200 230 4.480 Miles traveled per delivery 5*110*3‚13 =1.721‚5$ 19*400*3‚13 =23.788$ 11*200*3‚13 =6.886$ 4*230*3‚13 =2879‚6$ 10 Number of expedited deliveries 10*79‚2 =792$ 250*79‚2 =19.800$ 130* 79‚2 =10.296$ 90*79‚2 =7128$ 2500
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1 Today Summarizing categorical variables Exploring the relationship between categorical variables - contingency table‚ proportions‚ conditional proportions‚ marginal proportions Ch 2‚ Sec 1-2‚ pages 15-29 Summarizing Categorical Variables: Blood Pressure (Exercise 2.37*) 2 A company held a blood pressure screening clinic for its employees. Data below is partial dataset for company employees. Create an appropriate display for blood pressure data among the employees. Blood pressure
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Question 1 Index observation date | Scenario 1 Closing level of S&P/ASX 200 Index | Scenario 2 Closing level of S&P/ASX 200 Index | Scenario 3 Closing level of S&P/ASX 200 Index | 9 December 2013 | 3‚847.050 | 5‚641.000 | 7‚662.310 | 9 January 2014 | 3‚803.930 | 5‚705.370 | 7‚916.180 | 10 February 2014 | 3‚821.420 | 5‚622.830 | 8‚133.700 | 10 March 2014 | 3‚811.580 | 5‚623.730 | 8‚294.210 | 9 April 2014 | 3‚733.190 | 5‚785.730 | 8‚868.370 | 9 May 2014 | 3‚732.870 | 5‚862
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Although the patterns of interactions along the Silk Roads from 200 B.C.E. to 1450 C.E. changed in the way items were traded and the amount of items traded‚ its continuities stayed relatively the same as it relates to the trade of goods to and from Asia and Europe‚ all of which led to a global connection of trade goods and active worldwide commerce. In the beginning of this period‚ around 200 BCE the Silk Road was just developing and China was in control as the route opened up to the west. Technologies
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weekly demand D=200 Lead time=2weeks CSL=95% Z=1.645(from Z table) Safety stock‚ SS=Z * D *√L=1.645*200*√2=465.3 ROP=D*L+SS=300*2+465.3=1065.3=1065 So Best Buy should carry 464 safety inventory of cellphone. Their ROP should be 1065. 6. Solution: Order quantity=500 Average demand per week=300 Standard deviation of weekly demand‚ D =200 Lead time=2 weeks Product fill rate‚ fr=99% L = √L*D =√2*200=282.8
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00 $15‚000 (in millions) (750-707.55)/707.55=6% 750/(11-6) (13-4) EROIC and MVA of Constant Growth Firm A company has capital of $200 million. It has an EROIC of 9%‚ forecasted constant growth of 5%‚ and a WACC of 10%. What is its value of operations? What is its intrinsic MVA? VOA 160‚000‚000 200+[200*(.09-.10)]/(.10-.05) 200+ -40 MVA -40‚000‚000
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@AIRBUS A320 AIRCRAFT CHARACTERISTICS AIRPORT AND MAINTENANCE PLANNING AC The content of this document is the property of Airbus. It is supplied in confidence and commercial security on its contents must be maintained. It must not be used for any purpose other than that for which it is supplied‚ nor may information contained in it be disclosed to unauthorized persons. It must not be reproduced in whole or in part without permission in writing from the owners of the copyright. Requests for
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Name of the village: …………. Date of assessment: …………. VULNERABILITY ASSESSMENT FORMAT HISTORICAL BACKGROUND: 1) When was the previous occurrence recorded in this area? a) 1st Occurrence: Year …………………………… Month …………………………… Date b) 2nd Occurrence: Year …………………………… Month …………………………… Date c) 3rd Occurrence: Year …………………………… Month …………………………… Date STUDY OF SOCIO-ECONOMIC‚ CULTURAL‚ POLITICAL BACKGROUND OF THE AREA 2) What is the basis of family economy of this area? a) Business
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