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				Nov 04, 2025			
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                  BUS 231 - Quantitative Methods/Bus Decisions Credits: 4 Lecture Hours: 4 Lab Hours: 0 Practicum Hours: 0 Work Experience: 0 Course Type: General An introduction to management research methods used in business. Topics include probability, breakeven analysis, inventory control, statistics and transportation models. Prerequisite: MAT 073  or intermediate Algebra or 2 years of H.S. algebra or department permission Competencies  
	- Examine how quantitative analysis is used in business.
	
		- Explain the quantitative analysis approach.
 
		- Describe the application of quantitative analysis in a real situation.
 
		- Identify possible problems in using quantitative analysis.
 
		- Illustrate how computers can be used to perform quantitative analysis.
 
	 
	 
	- Analyze how probability concepts relate to analysis.
	
		- Describe the two basic rules of probability and the foundations of probability analysis.
 
		- Distinguish between mutually exclusive and collectively exhaustive events.
 
		- Distinguish between events that are statistically dependent and those that are statistically independent.
 
		- Apply formulas for joint, marginal, and conditional probabilities under both dependent and independent conditions.
 
		- Use Bayes’ theorem to establish posterior probabilities.
 
	 
	 
	- Examine how probability distributions relate to quantitative analysis.
	
		- Illustrate through examples both discreet and continuous random variables.
 
		- Explain the difference between discreet and continuous probability distributions.
 
		- Calculate the expected value and variance of a discreet probability distribution.
 
		- Use the binomial table to solve problems.
 
		- State the 1, 2, and 3 standard deviation areas under the normal curve.
 
		- Use the standard normal probability table.
 
		- Express the meaning of Z in the normal distribution.
 
	 
	 
	- Assess the roles of different families of forecasting techniques and when each should be used.
	
		- Compare theories and applications of moving averages, exponential smoothing and trend time-series models.
 
		- Adjust seasonal data.
 
		- Describe the Delphi-decision making approach.
 
		- Analyze data by computer and interpret the outputs.
 
	 
	 
	- Summarize how businesses apply decision theory to their operations.
	
		- List the steps of the decision-making process.
 
		- Describe the types of decision-making environments.
 
		- Use probability values to make decisions under risk.
 
		- Make decisions under uncertainty, where there is risk but probability values are not known.
 
		- Use computer to solve basic decision-making problems.
 
	 
	 
	- Evaluate how useful decision trees and utility theory are to the decision process.
	
		- Develop accurate and useful decision trees.
 
		- Revise probability estimates using Bayesian analysis.
 
		- Explain the importance and use of utility theory in decision making.
 
		- Utilize computers to solve more complex decision problems.
 
	 
	 
	- Investigate the relationship between variables in a regression model.
	
		- Develop and interpret simple linear regression models.
 
		- Use a multiple regression model to predict.
 
		- Use dummy variables to model categorical data.
 
	 
	 
	- Summarize how inventory control impact organizational operations and profitability.
	
		- Explain the importance of inventory control.
 
		- Use the economic order quantity (EOQ) to determine how much to order.
 
		- Computer the reorder point (ROP) in determining when to order more inventory.
 
		- Determine other inventory control quantities, including the optimal number of orders per year and the number of days between orders.
 
	 
	 
	- Develop strategies which utilize several more complex inventory control models.
	
		- Determine the economic order quantity without the instantaneous receipt assumption.
 
		- Handle inventory problems that allow quantity discounts or have planned shortages.
 
		- Illustrate the use of safety stock with known and unknown stockout costs.
 
		- Perform ABC analysis and joint ordering.
 
	 
	 
	- Relate graphical methods of linear programming to organizational decision making.
	
		- Describe the basic assumptions of linear programming and the properties of linear.
 
		- Formulate small to moderate sized LP problems.
 
		- Solve graphically any LP problem that has only two variables by both the corner point and iso-line methods.
 
	 
	 
	- Relate how simplex method of linear programming compares with graphical methods.
	
		- Convert LP constraints to equalities with slack, surplus, and artificial variables.
 
		- Set up and solve both maximization and minimization LP problems with simplex tableaus.
 
		- Explain the meaning of every number in a simplex tableau.
 
	 
	 
	- Contrast a variety of linear programming applications.
	
		- Describe major applications areas from marketing and production.
 
		- Identify major applications from labor scheduling and finance.
 
	 
	 
	- Structure several linear programming
	
		- Use the northwest corner method and Vogel?s approximation method to find initial solutions to transportation problems.
 
		- Apply the stepping-stone and the MDOI methods to find optimal solutions to transportation problems.
 
		- Solve facility location and other application problems with the transportation model.
 
	 
	 
	- Analyze the differences between linear programming and integer programming.
	
		- Understand and solve the 3 types of integer programming probems.
 
		- Apply the branch and bound method to solve integer programming problems.
 
		- Solve graphically a goal programming problem that has only two variables.
 
	 
	 
	- Assess the importance of queuing theory to an organization?s decision making.
	
		- Describe the trade-off curves for cost of waiting time and cost of service provided.
 
		- Discuss the three parts of a queuing system ? the calling population, the queue itself and the service facility.
 
		- Identify the basic queuing system configurations and assumptions of the common models.
 
		- Analyze by computer a variety of operating characteristics of waiting lines.
 
	 
	 
	- Appraise what role simulation plays in organizational decision making.
	
		- Identify the seven steps of conducting a simulation.
 
		- Explain advantages and disadvantages of simulation.
 
		- Develop random number intervals and use them to generate outcomes.
 
	 
	 
	- Explain how network models relate to project control.
	
		- Describe how to plan, monitor, and control projects with the use of PERT.
 
		- Determine earliest and latest starts, earliest and latest finishes, and slack times for each activity as well as overall project time.
 
		- Find the shortest path through a network using the shortest-route technique.
 
	 
	 
 
				  
  
			
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