Using the accompanying Accounting Professionals data to answer the following questions.a. Find and interpret a 95% confidence interval for the mean years of service.b. Find and interpret a 95% confidence interval for the proportion of employees who have a graduate degree.E Click the icon to view the Accounting Professionals data.Accounting professionals dataa. A 95% confidence interval for the mean years of service is [OO(Use ascending order. Round to two decimal places as needed.)EmployeeYears of ServiceGraduate Degree?18YInterpret the confidence interval. Choose the correct answer below.228N3NO A. We are 95% confident that the sample mean years of service will be between the confidence interval limits.419YO B. There is a 95% chance that the population mean years of service will be between the confidence interval limits.O C. Of all the data values, 95% of the population will fall between the confidence interval limits.510N68N717NO D. We are 95% confident that the population mean years of service will be between the confidence interval limits.831N8Yb. A 95% confidence interval for the proportion of employees who have a graduate degree is ||||1010(Use ascending order. Round to two decimal places as needed.)1119YInterpret the confidence interval. Choose the correct answer below.126N1323NO A. We are 95% confident that the population proportion of employees who have a graduate degree will be lie outside the confidence interval limits.149YO B. There is a 95% chance that the population proportion of employees who have a graduate degree will be between the confidence interval limits.1526YOC. We are 95% confident that the population proportion of employees who have a graduate degree will be between the confidence interval limits.1627N1721NO D. Of all the data values, 95% of the population will fall between the confidence interval limits.188N195N2020NPrintDone

Given: Sample size n = 20 Confidence level = 95% Significance level α = 0.05 Formula Used:…

Using the accompanying Accounting Professionals data to answer the following questions. a. Find and interpret a 95% confidence interval for the mean years of service. b. Find and interpret a 95% confidence interval for the proportion of employees who have a graduate degree. E Click the icon to view the Accounting Professionals data. Accounting professionals data a. A 95% confidence interval for the mean years of service is OO (Use ascending order. Round to two decimal places as needed.) Employee Years of Service Graduate Degree? Interpret the confidence interval. Choose the correct answer below. 28 5 O A. We are 95% confident that the sample mean years of service will be between the confidence interval limits. O B. There is a 95% chance that the population mean years of service will be between the confidence interval limits. OC. Of all the data values, 95% of the population will fall between the confidence interval limits. O D. We are 95% confident that the population mean years of service will be between the confidence interval limits. 19 10 17 8 31 8 b. A 95% confidence interval for the proportion of employees who have a graduate degree is (Use ascending order. Round to two decimal places as needed.) 10 10 11 19 Interpret the confidence interval. Choose the correct answer below. 12 13 23 O A. We are 95% confident that the population proportion of employees who have a graduate degree will be lie outside the confidence interval limits. O B. There is a 95% chance that the population proportion of employees who have a graduate degree will be between the confidence interval limits. OC. We are 95% confident that the population proportion of employees who have a graduate degree will be between the confidence interval limits. O D. Of all the data values, 95% of the population will fall between the confidence interval limits. 14 15 26 16 27 N 17 21 18 8 N 19 20 20

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA