What is the width of the confidence interval

Assignment Help Management Theories

Reference no: EM131448069

Question: Find the 97% confidence interval, given a sample mean of 128.37, sample standard deviation of 37.3, and sample size of 50. What is the width of the confidence interval? Suppose that you want to cut the confidence interval by 50% (i.e., the new width should be half the previous one). How many additional observations would you use?

Reference no: EM131448069

Questions Cloud

What role of leadership in creative and innovative culture : What is the role of leadership in a creative and innovative culture? What tasks and qualities must leaders focus on to create and maintain an innovative culture?

Identification of your chosen leadership philosophy : Identification of your chosen leadership philosophy with justification of your choice. Using Porter's Five Forces as a strategic guide, please explain how you will approach Foreign Direct Investment and Financial Risk Assessment

Identify human and technological protective measures : Write a two to three (2-3) page research paper in which you:Summarize the issue that you have chosen.Express your own opinion of, or position on, the issue that you have chosen.Identify two to three (2-3) human and technological protective measures t..

Various branches across the continents : "Starbucks is a re-known coffee-chain worldwide because it has various branches across the continents. Television campaign will not be effective because a television campaign can not reach all the new and the potential consumers of Starbucks produ..

What is the width of the confidence interval : Find the 97% confidence interval, given a sample mean of 128.37, sample standard deviation of 37.3, and sample size of 50. What is the width of the confidence interval? Suppose that you want to cut the confidence interval by 50% (i.e., the new wid..

Analyze the preventive approach to reduce costs : Discuss and analyze the preventive approach to reduce costs. Explain what preventive cost reduction is, and then articulate why it is important. Identify and analyze an approach to reduce costs and include specific examples to support your analysis.

Discuss the value the new erp system brought to vodafone : Discuss the value the new ERP system brought to Vodafone as a company; and Summarize your findings in a two to three page paper.

Define sales management : Define Sales Management. Describe the Selective Activities of Salespeople. What are the ten (10) most important factors for professional sales forces? Describe in detail the eight (8) steps of the Sales Process

Lagunitas brewing company-new brewery in chicago : What recommendations would you make concerning expansion and the construction of the new brewery? How will Magee ensure consistency of the Lagunitas brand across multiple breweries?

User Account

All Pages