After Calculating the Sample Size Needed to Estimate a Population

question 30

Multiple Choice

After calculating the sample size needed to estimate a population proportion to within 0.05,you have been told that the maximum allowable error (B) must be reduced to just 0.025.If the original calculation led to a sample size of 1000,the sample size will now have to be

• A)2000.
• B)4000.
• C)1000.
• D)8000.

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Definitions:

Performance Appraisal

A systematic evaluation of an employee’s job performance and overall contribution to an organization.

Placement Interviewing

The process of conducting interviews with candidates to assess their suitability for specific positions within an organization.

Primary Responsibility

The most important duty or task that an individual or entity is expected to perform.

Performance Appraisal

A regular review of an employee's job performance and overall contribution to a company.