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A: Data mining: It is used for discovering pattern and knowledge from the large amount of data. Scoring…
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A: A scatter plot is a diagram that is used to display values for two variables for a set of data. This…
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A: An ABAB research design, also called a withdrawal or reversal design, is used to determine if an…
Q: Determine the best (according to sum-of-squares-measure) curve y =ax2 through the data above.
A: y= (20/37)* x^2
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A: * An economic forecast is a process of trying to predict a future economic situation using a…
Q: Describe how outliers can impact the relationship between two variables?
A: We have to describe how outliers can impact the relationship between two variables?
Q: Explain the law of iterated expectations?
A: The law of iterated expectations are explained as below,
Q: 2. Find the line that fits best for the data (the least-squares line) (1,1), (2,1),(3,3),(4,3)
A: The equation of the line is y = mx+b, we have to find m and b. For that, we use normal equations,…
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A: The data shows the asset turnovers for RNC Company from 2004 to 2014.
Q: Is the data point P in the picture... ...an influential point ...a leverage point ...none of the…
A: an outlier is a data point that differs significantly from other observations. An outlier may be due…
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A: Statistics analysis-future scenario helpful in estimation of expecting compeletion time of the…
Q: Compare and contrast feasibility study from the usual research.
A: Feasibility study: Feasibility study is an assessment or evaluation of the particular…
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A: The regression line is defined as: Step by step procedure to obtain the regression line: Enter the…
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A: Minimum variance unbiased estimator (MVUE):An unbiased estimator that has lower variance than any…
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A: The three methods to determine the accuracy of any forecasting are Mean Absolute Deviation (MAD):…
Q: Explain Pseudo out-of-sample forecasting? How this method estimates real-time performance of a…
A: Out-of-sample forecasting experiments are used by forecasters to determine if a proposed leading…
Q: 2. What is the impact propensity? Explain what this means in words. 3. What is the long run…
A: Answer is in step 2.
Q: Explain the difference in how VAR Models are used in performing forecasting and how they are used in…
A: The difference in how VAR Models are used in performing forecasting and how they are used in…
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A: Definitions: Crucial ratio: - It is a rule in priority scheduling in a work center where the work or…
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A:
Q: Give an example of an actual or potential application of big data or data mining in a organization.…
A: Examples of data mining or big data: Marketing in an industry.
Q: What is the distribution of effort problems?
A: Distribution of effort problems.
Q: What is multicollinearity? Why is multicollinearity problematic?
A: Multicollinearity is the occurrence of high intercorrelations among two or more independent…
Q: Myrtle Air Express decided to offer direct servide from Cleveland to Myrtle Beach. Management must…
A: Expected value:The expected value of a random variable is the sum of the possible values that the…
Q: Discuss the significance of an influential point in a scatter plot.
A: To Discuss: Discuss the significance of an influential point in a scatter plot.
Q: Explain how Matont Carlo Simulation is helpful in decision making.
A: Monte Carlo simulation is also known as the Monte Carlo Method. This method lets we see all the…
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A: does perfect competition lead to allocative and productive effiiency? productive efficiency…
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A: The objective is to find whether the given statement is True or False.
Q: Q10: Why is Asset Allocation very important in investing?
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Q: Define multiperiod forecasting. Which Method Should we Use?
A: Multi Period Forecasting: In time series forecasting, the artificial neural network is the main…
Q: Suppose you have been hired as a management consultant by a major oil company to help it optimally…
A: In this case, it is needed to perform a study on customers' gasoline purchasing habits when they…
Q: Explain Direct Multiperiod Forecasts? Define Direct multiperiod forecasting method?
A: Multiperiod Forecasting: In multiperiod forecasting, we investigate whether the procedure of using a…
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A: ECC's main advantage is that you can use smaller keys for the same level of security, especially at…
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A: Calculations:
Q: (b) Predict what will happen to the data distribution if outlier exists in the data.
A: An outlier is defined as that value in the data set, that lies at an extreme distance as compared to…
Q: Determine the best (according to sum-of-squares-measure) curve y = ax2, through the data above.
A: Determine the best curve y = ax2 through the data : Now, y = ax2∑y = ∑ax2 = a…
Q: explain and discuss the significance of langrage multiplier.
A:
Q: Why is a scatter diagram important?
A: We have to explain why scatter diagram is important
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A:
Q: Explain the overidentifying restrictions test? how this can be computed?
A: The over identifying restrictions test or the J-test is basically an approach to test whether the…
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A: Sampling error: The sample does not give exact or accurate information about the population even…
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- Construct index number of price from the following data byapplying: Bowley’s method 2016 2016 2017 2017 Commodity Price Quantty Price QuanttyA 2 8 4 6B 5 10 6 5C 4 14 5 10D 2 19 2 13a. Set up a contingency table on education (X) and job satisfaction (Y). If needed, round yourpercentages to one decimal place (e.g., 10.4%) .b. Analyze the table to explain if there is a relationship between education and job satisfaction. Inyour answers, be sure to compare the percentages in each rowIn the packaging department of a large aircraft parts distributor, a fairly reliable estimate ofpackaging and processing costs can be determined by knowing the weight of an order. Thus, theweight is a cost driver that accounts for a sizable fraction of the packaging and processing costsat this company. Data for the past 10 orders are given as follows:
- n an effort to determine whether a new type of fertilizer is more effective than the type currently in use, researchers took 5 two-acre plots of land scattered throughout the village. Each plot was divided into two equal-size subplots, one of which was treated with the current fertilizer and the other of which was treated with the new fertilizer. Wheat was planted, and the crop yields were measured given in the following table Plot 1 2 3 4 5 Current Fertilizer 56 45 69 57 60 New Fertilizer 49 66 61 58 75 Can we conclude at the 5% significance level that the new fertilizer is more effective than the current one?A small firm negotiates an annual pay rise with each of its twelve employees. In an attempt to simplify the process, it is proposed that each employee should be given a score, x, based on his/her level of responsibility. The following table gives last year’s salaries and proposed scores. Employee Score, x Annual salary, y Employee Score, x Annual salary, y A 10 5750 G 85 18800 B 55 17300 H 64 14850 C 46 14750 I 36 9900 D 27 8200 J 40 11000 E 17 6350 K 30 9150 F 12 6150 L 37 10400 A. Find a suitable linear regression equation ? = ? + ??. (2mConstruct index number of price from the following data byapplying: Marshall-Edgeworth’s methodand comment on the results. Commodity Price Quantty Price QuanttyA 2 8 4 6B 5 10 6 5C 4 14 5 10D 2 19 2 13
- use the given data on the societal cost of crashes and the approximate U.S. population of 325 million to calculate the average social cost per person. U.S. Data (2016 estimates): Car Crash fatalities = 40,200; Car Crash injuries = 4.6 million; cost to society = $430 billion. (source: National Safety Council.) • Global Data (estimated); car crash fatalities = ≈ 50 million; car crash fatalities with victim's underage 45 ≈ 400,000. (Source: Association Safe International Road Travel.) About how often (once every x minutes or x seconds) on average is a person killed in a car crash in the United States? How often is a person injured in a car crash. The answer to this question is about once every 13 minutes; about once every 7 seconds. use the given data on the societal cost of crashes and the approximate U.S. population of 325 million to calculate the average social cost per person. The answer to this is about $1,320 per person. I forgot to put this so the answer can be solved. I…The Conch Café, located in Gulf Shores, Alabama, features casual lunches with a great view of the Gulf of Mexico. To accommodate the increase in business during the summer vacation season, Fuzzy Conch, the owner, hires a large number of servers as seasonal help. When he interviews a prospective server, he would like to provide data on the amount a server can earn in tips. He believes that the amount of the bill and the number of diners are both related to the amount of the tip. He gathered the following sample information. Customer Amount of Tip Amount of Bill Number of Diners Customer Amount of Tip Amount of Bill Number of Diners 1 $ 6.05 $ 73.22 1 16 $ 3.30 $ 23.59 2 2 4.50 28.23 4 17 3.50 22.30 2 3 1.00 10.65 1 18 3.25 32.00 2 4 2.40 19.82 3 19 5.40 50.02 4 5 5.00 28.62 3 20 2.25 17.60 3 6 4.25 24.83 2 21 1.40 41.80 5 7 .50 6.25 1 22 3.00 20.27 2…The Conch Café, located in Gulf Shores, Alabama, features casual lunches with a great view of the Gulf of Mexico. To accommodate the increase in business during the summer vacation season, Fuzzy Conch, the owner, hires a large number of servers as seasonal help. When he interviews a prospective server, he would like to provide data on the amount a server can earn in tips. He believes that the amount of the bill and the number of diners are both related to the amount of the tip. He gathered the following sample information. Customer Amount of Tip Amount of Bill Number of Diners Customer Amount of Tip Amount of Bill Number of Diners 1 $ 7.00 $ 48.97 5 16 $ 3.30 $ 23.59 2 2 4.50 28.23 4 17 3.50 22.30 2 3 1.00 10.65 1 18 3.25 32.00 2 4 2.40 19.82 3 19 5.40 50.02 4 5 5.00 28.62 3 20 2.25 17.60 3 6 4.25 24.83 2 21 5.50 44.47 4 7 0.50 6.24 1 22 3.00 20.27 2…
- The XYZ eatery would like to establish the optimal way to allocate a monthly marketing budget at the most Rs. 10310 between TV and radio advertising. Management decided that at least 25% of the budget must be expended on each type of media. It required 1 unit of the amount of capital spent on local TV advertising and (-2) units of the amount spent on radio advertising with at the most a spent of 10% of monthly marketing budget. A marketing consultant developed an index that measures audience coverage per rupees of advertising on a scale of 0 to 100, with higher values implying greater audience coverage. If the value of the index for local TV advertising is 50 and the value of the index for spot radio advertising is 80, how would the eatery allocate its advertising cost in order to maximize the value of total audience coverage? Formulate a linear programming model that can be used to determine how the eatery should allocate its advertising capital to maximize the value of total audience…A firm produces bolts whose length x is normally distributed with a Me = 78.3 mm and a SD = 1.4mm. If any bolt longer than 80mm has to be discarded, what proportion of the firm's production will be lost?Which of the following is the best estimate of the number of HRDs from the Consumer industry, that highlighted crowdfunding as one of the most important technological catalysts for change? A. 59 B. 26 C. 18 D. 12 E. 8
