Statistics Essay - 1902 Words

BUSINESS STATISTICS ASSIGNMENT Project Title: Employee retention at DY consulting firm Section E: Group 2:Anshul Garg (11FN-015)-Finance Gokul Sudhakaran(11DM-039)-Marketing Kaviya .A. (11DM-057)- Marketing Nikhil Gagrani(11DM-089)- Marketing Sheth Dharmil Nirupam(11DM-147)-Marketing Taru(11IB-061)-International Business Submission Date:- 9th September,2011 TABLE OF CONTENTS 1. Case 2. Objective of the problem 3. Methodology used 4. Analysis 5. Excel output 6. Conclusion 7. Managerial implications CASE: EMPLOYEE RETENTION AT DY CONSULTING FIRM Demand for systems analysts in the consulting industry is very strong.†¦show more content†¦c.)Find a 95% confidence interval for the difference between the above obtained mean starting salaries. d) Among all employees whose starting salary is below the median ($37,750), find a 95% confidence interval for the proportion who stay with DY for at least 3 years. e.) Find a 95% confidence interval for the proportion who stay with DY for at least 3 years but this time with starting salaries above the median. f) Find a 95% confidence interval for the difference between these proportions. From this interval, can we conclude that there is a significant difference in the proportions at the 5% level of significance? 2. DY wonders whether the percentage of time on the road might influence who stays and who leaves. a. Among all employees who travel less than the median (54%), find the 95% confidence interval for the proportion who stay with DY for at least 3 years. b. Do the same for the employees that travel more than the median who have stayed beyond 3 years. c. Then find the 95% confidence interval for the difference between proportions. From this confidence interval, can we conclude that there is a significant difference in the proportions? 3.Find a 95% confidence interval for the mean tenure(in months) of all employees who leave DY within 3 years of being Hired. Why is it not possible with the given data to find a confidence interval for theShow MoreRelatedReliability Of Statistics : Statistics Essay2703 Words   |  11 Pages Reliability of Statistics Today, most of us live in a world surrounded by data. Everything that we do calculates findings to supply data for statistical findings to show that it is either wrong or right. Statistics is not a new process in our lives; it has been around for close to 400 years of the history I was able to find discussing statistics or probability. 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