Central Middle School Has Calculated a 95% Confidence Interval for the Mean

question 37

Multiple Choice

Central Middle School has calculated a 95% confidence interval for the mean height () of 11-year-old boys at their school and found it to be 56 ± 2 inches.Which of the following could be the 90% confidence interval based on the same data?

• A)56 ± 1
• B)56 ± 2
• C)56 ± 3
• D)Without knowing the sample size,any of the above answers could be the 90% confidence interval.

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Definitions:

Rate Ranges

The spectrum of pay rates from minimum to maximum that are established for different pay grades or job classifications within an organization.

Average Wage Rate

The average amount of money earned per hour, day, or year by workers within a specific region, sector, or occupation.

Job Evaluation

Job evaluation is a systematic process used to determine the relative worth of jobs within an organization for the purpose of establishing fair compensation levels.

Relative Worth

The perceived value or importance of a job, task, or employee's contributions in comparison to others within an organization, often used in determining compensation.