Detail and describe a study in the area of civil engineering that has one dependent variable and one independent variable that requires the use of correlation and regression.
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Detail and describe a study in the area of civil engineering that has one dependent variable and one independent variable that requires the use of correlation and regression.
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- At the beginning of each week, a machine is in one of four conditions: 1 = excellent; 2 = good; 3 = average; 4 = bad. The weekly revenue earned by a machine in state 1, 2, 3, or 4 is 100, 90, 50, or 10, respectively. After observing the condition of the machine at the beginning of the week, the company has the option, for a cost of 200, of instantaneously replacing the machine with an excellent machine. The quality of the machine deteriorates over time, as shown in the file P10 41.xlsx. Four maintenance policies are under consideration: Policy 1: Never replace a machine. Policy 2: Immediately replace a bad machine. Policy 3: Immediately replace a bad or average machine. Policy 4: Immediately replace a bad, average, or good machine. Simulate each of these policies for 50 weeks (using at least 250 iterations each) to determine the policy that maximizes expected weekly profit. Assume that the machine at the beginning of week 1 is excellent.Chart and Regression analysis : What does the intercept predict? X: C16 (number of cars on the sales lot) versus Y: C17 (cars sold per day) Equation: y=2.9x + 14.5 Slope:2.9 Intercept:14.5 Does the intercept mean the intercept is 14.5 means that the cars sold per day( Y) predicted number of cars on sale lot(X) to be 14.5, but this intercept has no meaning. So, I will not use to predict cars sold per day?Explain mean squared error?
- Describe the process of model identification and system parameter estimation and its significance in real-world applications.List and briefly explain the activities involved in the verification of an ER model.Estimating a cost function, high-low method. Lacy Dallas is examining customer-service costs in the southern region of Camilla Products. Camilla Products has more than 200 separate electrical products that are sold with a 6-month guarantee of full repair or replacement with a new product. When a product is returned by a customer, a service report is prepared. This service report includes details of the problem and the time and cost of resolving the problem. Weekly data for the most recent 8-week period are as follows: Plot the relationship between customer-service costs and number of service reports. Is the relationship economically plausible? Use the high-low method to compute the cost function relating customer-service costs to the number of service reports. What variables, in addition to number of service reports, might be cost drivers of weekly customer-service costs of Camilla Products?
- Figure shows summer air visibility measurements for Denver, Colorado. The acceptable visibility standard is 100, with readings above 100 indicating clean air and good visibility, and readings below 100 indicating temperature inversions caused by forest fires, volcanic eruptions, or collisions with comets.a. Is a trend evident in the data? Which time-series techniques might be appropriate for estimating the average of these data?b. A medical center for asthma and respiratory diseases located in Denver has great demand for its services when air quality is poor. If you were in charge of developing a short-term (say, 3-day) forecast of visibility, which causal factor(s) would you analyze? In other words, which external factors hold the potential to significantly affect visibility in the short term?c. Tourism, an important factor in Denver’s economy, is affected by the city’s image. Air quality, as measured by visibility, affects the city’s image. If you were responsible for development of…Explain linear regression?Utah Utensil has developed a new kitchen utensil. The firm has conducted significant market research and estimated the following pattern for sales of the new product: Year Expected Volume Expected Price per Unit 1 48,000 units $19 2 48,000 units $20 3 90,000 units $16 4 40,000 units $12 If the firm desires to net $3.50 per unit in profit over the life of the product, and selling and administrative expenses are expected to average $50,000 per year, what is the target cost to produce the new utensil?
- 4. A consultant has been working on measuring performances of the private hospitals locating in Sinop. Because of the privacy concerns, the names of the hospitals are not shared. The hospitals (H1, H2, and H3) will be evaluated systematically by means of DEA based on AHP method. In the proposed analysis, initially traditional AHP analysis is decided to be applied in order to calculate the weights of the hospitals. Then, the weights derived from AHP method will be directly used in the DEA analysis. Below, pairwise comparison matrices collected from decision maker, are demonstrated. Based on these, calculate the global weights of the hospitals and provide the ranking of the alternatives. (Note: The consistencies of the pairwise comparison matrices have already controlled.) Pairwise Comparison Matrix of Criteria ci Pairwise Comparison Matrix of hospitals with regard to (wrt) Criterion 2 H2 Criteria Criterion 1 (C1) Criterion 2 (C2) Criterion 3 (C3) C2 C3 Alternatives H1 H3 1 3 3 H1 1 1 Н2…Classify the following risks into variation, foreseen uncertainty, unforeseen uncertainty, and chaos:d. A cool summer causes a decrease in demand for air conditioners for that seasonWhat is the average number of tennis balls does Skousen maintain?