The CEO of Company A is estimating the rate of absentees in a day among the...
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The CEO of Company A is estimating the rate of absentees in a day among the 325 offices under the company, a sample of 10 offices was drawn with SRSWOR. The number of absentees in a randomly selected day and the number of employees are partially listed in the table with summaries provided below. (a) (c) Office (i) (d) Number of absentees (y) Number of workers (x) 1 9 2 7 95 79 ⠀ ... ... 10 2 53 Σv=59,Σx = 721, Στ’ = 437, Στ΄ = 65983, Σαν = 5107 (b) If the total number of employees of Company A is 10000, using the results in (a) to estimate the total number of absentees in a day and find its standard error. Correct your answers to the nearest integer. (4 marks) Estimate the rate of absentee (ratio), calculate its standard error and a conservative error bound with 95% confidence. Correct your answers to 4 decimal places. (8 marks) Estimate the total number of absentees in a day of Company A using the standard method under SRSWOR and find its standard error. Correct your answer to the nearest integer. (6 marks) Suggest a reason of having the difference in the degree of precision when the population total number of absentees in day is estimated using the merinveis in 197 ani (2 marks) The CEO of Company A is estimating the rate of absentees in a day among the 325 offices under the company, a sample of 10 offices was drawn with SRSWOR. The number of absentees in a randomly selected day and the number of employees are partially listed in the table with summaries provided below. (a) (c) Office (i) (d) Number of absentees (y) Number of workers (x) 1 9 2 7 95 79 ⠀ ... ... 10 2 53 Σv=59,Σx = 721, Στ’ = 437, Στ΄ = 65983, Σαν = 5107 (b) If the total number of employees of Company A is 10000, using the results in (a) to estimate the total number of absentees in a day and find its standard error. Correct your answers to the nearest integer. (4 marks) Estimate the rate of absentee (ratio), calculate its standard error and a conservative error bound with 95% confidence. Correct your answers to 4 decimal places. (8 marks) Estimate the total number of absentees in a day of Company A using the standard method under SRSWOR and find its standard error. Correct your answer to the nearest integer. (6 marks) Suggest a reason of having the difference in the degree of precision when the population total number of absentees in day is estimated using the merinveis in 197 ani (2 marks)
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Answer rating: 100% (QA)
a To estimate the rate of absenteeism ratio we use the formula Rate of absenteeism Total number of absentees Total number of workers 100 Given the sample data we can calculate the rate of absenteeism ... View the full answer
Related Book For
Business Statistics
ISBN: 978-0321925831
3rd edition
Authors: Norean Sharpe, Richard Veaux, Paul Velleman
Posted Date:
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