Statistical Quality Control

Topic Statistical Quality Control Instructions Why does statistical quality control lead to improvements in many businesses? How do you execute statistical quality control? Answer preview Statistical quality control entails the utilization of statistical techniques in the maintaining and tracking of the products and services quality. One technique termed to as acceptance sampling might be utilized … Read more

Statistical Analysis To Support Decision Making

Topic Statistical Analysis To Support Decision Making Instructions CASE PROBLEM: Heavenly Chocolates. Due to ongoing production problems, Heavenly Chocolates’ management has decided to postpone any plans for a second store/production facility. Instead, they have realised that current production could be improved by various process improvement activities. They are even considering purchasing some sophisticated statistical software … Read more

Quality Control

Topic Quality Control Instructions Read Sections 18.1 and 18.3 in Ch. 18 of Business Statistics: For Contemporary Decision Making. Consider the following as you read: See how the Quality Management and Deming’s 14 points can lead to improved TQM. Understand the charts and interpretation. Answer preview Statistical quality control refers to the use of statistical methods in … Read more

Multiple linear regression

Topic Multiple linear regression Instructions Write a case study on multiple linear regression. Answer preview Multiple regression is an extension of linear regression. Whereas linear regression shows the relationship between two variables, multiple regression shows relationship between more than two variables. In this case we have one dependent variable being affected by other several ones. … Read more

Financial Data

Topic Financial Data Instructions Read Sections 12.1-12.3 and 12.6 in Ch. 12 of Business Statistics: For Contemporary Decision Making. Consider the following as you read: How regression modeling can be used to understand the association between two variables. Focus on intuition rather than formulas to arrive at the regression model. Answer preview This analysis will entail looking at … Read more

Spicy Wings Case Study

Topic Spicy Wings Case Study Answer preview From the descriptive statistics table above the mean of pick-up time, driver time and total time is 3.6109, 18.9117 and 22.5226 respectively. Standard deviation of the variables in the same order are 1.971698, 4.356098 and 4.874129. Since John had recorded 200 observations this becomes his sample size. Five … Read more

Hypothesis Testing Case Study

Topic Hypothesis Testing Case Study Instructions The purpose of this assignment is to develop students’ abilities to combine the knowledge of descriptive statistics covered in Weeks 1 and 2 and one-sample hypothesis testing to make managerial decisions. In this assignment, students will learn how statistical analysis is used in predicting an election winner in the … Read more

Payment Time Case

Topic Payment Time Case Instructions The purpose of the assignment is to develop students’ abilities in using datasets to apply the concepts of sampling distributions and confidence intervals to make management decisions.  Assignment Steps  Resources: Microsoft Excel®, The Payment Time Case Study, The Payment Time Case Data Set Review the Payment Time Case Study and Data Set.  … Read more

Hypothesis Testing Process

Topic Hypothesis Testing Process Instructions Read Sections 9.1-9.5 in Ch. 9 of Business Statistics: For Contemporary Decision Making. Consider the following as you read: Observe how claims made by businesses can be validated. Try to apply the concepts to validate some simple claims such as the mean time to arrive at work Answer preview Hypothesis testing follows … Read more

Evaluating quality patient outcomes

Topic Evaluating quality patient outcomes Instructions Write a discussion on the topic: Evaluating quality patient outcomes. Answer preview Evaluating quality patient outcomes is mostly achievable through proper analysis of information from available data. Information from available data can be used through outcome measures in the evaluation of patient outcome based on the care he or … Read more