QUESTION 9 Question: Consider the following Cost payoff table ($): S₁ $2 53 14 6 10 01 33 D2 25 15 12 34 22 D3 What is the value (S) of best decision alternative under Regret criteria?
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![QUESTION 9
Question: Consider the following Cost payoff table ($):
$1
$2
53
14
6
D1
10
15
33
D2
25
12
22
D3
34
What is the value (S) of best decision alternative under Regret criteria?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F35ea7f78-68eb-4935-924f-b4cd821c11b3%2F958c2170-d4df-4976-b36b-5fb1656740a0%2Fwf426le_processed.jpeg&w=3840&q=75)
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- A study on the factors (other than credit constraints) that would influence the college dropout decision was published. One factor of interest was expected GPA for a college student who studied 3 hours per day. In a representative sample of 310 college students, the researchers reported the following summary statistics for the expected GPA of those who studied 3 hours per day: x= 2.97, s = 0.56. Complete parts a and B below.The Admission director for a college far from mart and town believes that an inverse relationship exists between a private college's average discount rate(determined by the average amount of scholarships students receive) and the annual yield (the percentage of admitted students who actually attend). The Director's independent variable is a private college's discount rate measured as a percentage, and the dependent variable is the college's annual yield measured as a percentage. The following results were obtained for a sample of 30 private colleges: x- Discount rate(percentage) - range: 35 to 72 percent y- Annual Yield(percentage) - range: 12 o 81 percent Σxi = 1612 Σyi = 898 Σxiyi = 44,377 Σxi2 = 89,790 Σyi2 = 35,704 a. Calculate the sample regression line's slope estimate. Interpret the sample regression line's slope estimate. b. Calculate the sample regression line's intercept estimate. Interpret the sample regression line's intercept estimate. Assume the following sum of…Essay 21. a. What types of studics can show causc-and-effect relationships? Explain. b. What must be included in thosc studies from part (a) in order to show cause-and-effect? Explain. c. Some people respond favorably to any treatment given. What can be done to address this problem? Explain.
- Based on the data below, answer the following question: The variable "Full-Time Enrollment" is a ______ variable. Select one: a. continuous b. discrete Business School Full-Time Enrollment Students per Faculty Local Tuition ($) Foreign Tuitiion ($) English Test Work Experience Starting Salary ($) 1 Melbourne Business School 200 5 24,420 29,600 No Yes 71,400 2 University of New South Wales (Sydney) 228 4 19,993 32,582 No Yes 65,200 3 Indian Institute of Management (Ahmedabad) 392 5 4,300 4,300 No No 7,100 4 Chinese University of Hong Kong 90 5 11,140 11,140 No No 31,000 5 International University of Japan (Niigata) 126 4 33,060 33,060 Yes No 87,000 6 Asian Institute of Management (Manila) 389 5 7,562 9,000 No Yes 22,800 7 Indian Institute of Management (Bangalore) 380 5 3,935 16,000 No No 7,500 8 National University of Singapore 147 6 6,146 7,170 Yes Yes 43,300 9 Indian Institute of Management (Calcutta) 463 8 2,880 16,000 No No 7,400 10 Australian…6. Estimate the value of sales for the year 1985 by using the method of least square for trend analysis. Year: 1979 1980 1981 1982 1983 Sales: 100 120 140 160 180 (*000 quintals)Use the information below to construct a 2x2 table and answer the following question: Risk Factor Has Outcome 19 53 Exposed Not Exposed What is the population attributable risk percentage? a. 47.5% b.63.1% c. 12.5% d.09.2% Outcome. Does Not Have Outcome 139 789
- 5. Should cell phone use be banned by drivers? 188 people took part in a survey. The answers are classified by the gender of the respondent as below: Agree Disagree Female 68 37 Male 26 46 What is the conditional proportion of females who agree? (a) 0.60 (b) 0,55 (c) 0.45 (d) 0,65 (e) 0.72 6. Refer to the information given in Question 5. What is the marginal proportion of people who agree? (a) 0.72 (b) 0.55 (c) 0.60 (d) 0.45 (e) 0.65 7. Refer to the information given in Question 5. Is there an association between gender and the response given on the survey? (a) Yes, because the proportion of females who agree is higher than the proportion of males who agree. (b) Association here has nothing to do with what proportions of males and females agree. (c) No, because the proportions of females and males who agree are very similar. (d) We need to look at a scatterplot to judge association. (e) Yes, because the…2. How does the cost of shipping a standard-sized crate relate to the distance of the destination? Can the cost of shipping be determined using the distance of the destination? To answer these questions, a Philippine Airlines statistician used 12 freight invoices randomly drawn and summarized below. Distance (hundred of kilometers) 14 Charge (in pesos) 1400 23 2000 9 800 17 1600 1620 1900 10 22 5 620 12 1440 900 16 1800 25 2100 750 (b) Using the method of least squares, determine the equation for the estimated regression lineQuestion: Almost all U.S. light-rail systems use electric cars that run on tracks built at streetlevel. The Federal Transit Administration claims light-rail is one of the safest modesof travel, with an accident rate of .99 accidents per million passenger miles ascompared to 2.29 for buses. The following data show the miles of track and theweekday ridership in thousands of passengers for six light-rail systems (USA Today,January 7, 2003) a) Develop a scatter diagram for these data. Does a linear relationship appearreasonable? Explain.b) Develop the least squares estimated regression equation. Include a table likethe one in the Lecture notes 13, Table 14.2.c) Did the estimated regression equation provide a good fit? Explain.d) Develop a 95% confidence interval for the mean weekday ridership for alllight-rail systems with 30 miles of track.e) Suppose that Charlotte is considering construction of a light-rail system with30 miles of track. Develop a 95% prediction interval for the…
- 1. How does the cost of shipping a standard-sized crate relate to the distance of the destination? Can the cost of shipping be determined using the distance of the destination? To answer these questions, a Philippine Airlines statistician used 12 freight invoices randomly drawn and summarized below. Charge (in pesos) Distance (hundred of kilometers) 14 1400 23 9 17 2000 800 1600 1620 1900 620 1440 900 1800 2100 750 10 22 5 12 6 16 25 8 (c) Plot the regression line on the scatter diagram.Mr. William Profit is studying companies going public for the first time. He is particularlyinterested in the relationship between the size of the offering and the price per share.A sample of 15 companies that recently went public revealed the following information.Which one of the following conclusions could be drawn from a descriptive study? Question options: a. Concrete experiences help students understand abstract ideas better. b.Students are more likely to appreciate classical music if they are exposed to it on a regular basis. c. Students do better in school when they have warm, supportive relationships with their teachers. d. Approximately 80% of the students at Southside High School are planning to go to college.
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