In a Harris poll of 514 human resource professionals, 463 said that the appearance of a job

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In a Harris poll of 514 human resource professionals, 463 said that the appearance of a job applicant is most important for a good first impression. Use 1000 bootstrap samples to construct a 99% confidence interval estimate of the proportion of all human resource professionals believing that the appearance of a job applicant is most important for a good first impression. How does the result compare to the confidence interval found in Exercise 24 part (b) in Section 7-1 shown below?


Data in Section 7-1 Part B

Construct a 99% confidence interval estimate of the proportion of all human resource professionals believing that the appearance of a job applicant is most important for a good first impression.

a. Use the bootstrap method with 1000 bootstrap samples to find a 95% confidence interval estimate of σ. 

b. Find the 95% confidence interval estimate of s found by using the methods of Section 7-3. 

c. Compare the results. If the two confidence intervals are different, which one is better? Why 

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Elementary Statistics

ISBN: 9780136803201

14th Edition

Authors: Mario F. Triola

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