A Researcher Collected Data on the Annual Salary of Doctors

question 82

Multiple Choice

A researcher collected data on the annual salary of doctors in Nova Scotia.He wishes to construct a confidence interval for the mean annual salary.Which of the following are true?
I.A 98% confidence interval will have a greater chance of including the true mean salary than a 95% confidence interval.
II.A 98% confidence interval will be narrower than a 95% confidence interval.
III.A 98% confidence interval requires the researcher to take a larger sample.

• A)III
• B)II,III
• C)I
• D)II
• E)I,II

---

Definitions:

Finished Tables

Finished tables are the final output in furniture manufacturing, representing completed products ready for sale.

Unfinished Tables

Refers to partially completed goods, often noted in manufacturing processes where the product is not yet ready for sale.

Sunk Cost

An expenditure that has already been incurred and cannot be recovered, and should not affect future decisions.

Defective Units

Products that fail to meet quality standards or specifications and are often unsellable or subject to returns and repairs.