Complete the problems below from the textbook. You will need to use the “Baseball 2016 Data” and the “Lincolnville School District Bus Data” files for this assignment.  The files are located in the topic materials.   Chapter 10 – Problem 8   Chapter 10 – Problem 13   Chapter 10 – Problem 53   Chapter […]

Confidence Intervals Create confidence intervals related to the interval and ratio-level data you collected. What is the best estimate of the population mean   Develop a 95% confidence interval for the population mean. Develop a 90% confidence interval for the population mean. Develop a 98% confidence interval for the population mean.   Interpret the confidence […]

Inferential Statistics Hypothesis Testing and Research Summary Conduct an analysis and hypothesis test of your choice on the data you collected. Write a 250-500 word research summary of the findings generated in the assignments for Topics 2 through 5. The research summary should address the following.   Explain what type of analysis and hypothesis test […]

DQ1 What does the p-value tell the business statistician, especially in terms of the normal curve? If the p-value is smaller than the level of significance, what does that mean in terms of the null hypothesis? Why?   DQ2 A research firm tracks the average highway speed of 30 drivers driving home on Day 1. […]

Complete the problems below from the textbook. You will need to use the “Lincolnville School District Bus Data” and the “Century National Bank Data” files for this assignment.  The files are located in the topic materials.   Chapter 8 – Problem 44   Chapter 8 – Problem 48   Chapter 9 – Problem 56   […]

DQ1 The U.S. government keeps statistics on many people in America. One interesting statistic is the poverty rate. To be living in poverty, one must earn income below a certain threshold (approximately $900 per month). Many multimillionaires are included in this statistic. Recently, Barbara Streisand was “living in poverty.” In a particular year, she did […]

Cost-Benefit Analysis As strategic HR professionals , calculating the costs and benefits of their activities will be a function they perform on a regular basis. The cost-benefit analysis is a financial tool that has been used in organizations for decades to determine the potential value of an activity, such as training employees on new software […]

History and Trends of HR Analytics HR has evolved from mainly hiring and paying employees to being embedded within the organization’s strategic planning and implementation processes. Today, HR’s focus is more centered on aligning its functions with the organization to create and sustain a competitive advantage. This shift in HR has also created a need […]

People Analytics Good measurement is more than just being knowledgeable in existing HR metrics. It requires an understanding of and expertise in relationships as well—in other words, being able to determine the link between things such as talent, training and turnover. HR metrics should be tools that allow HR professionals and their strategic partners to […]

Causation and Correlation Statistical tools can provide practical ways to interpret the world around us. With practice, even a very basic understanding of statistical concepts can be applied very quickly to draw useful connections between variables.   Consider the variable pair of employee engagement and employee performance. Assume for this discussion that the correlation between […]