A Researcher Selects a Sample of 49 Participants from a Population

question 30

Multiple Choice

A researcher selects a sample of 49 participants from a population with a mean of 12 and a standard deviation of 3.5.What is the probability of selecting a sample mean of 13 or larger from this population?

• A)equal to the probability of selecting a score above the mean
• B)about one standard deviation below the mean
• C)less than .03
• D)greater than .31

---

Definitions:

Clerical Accuracy

Clerical accuracy involves the correctness and precision of data entry and processing, ensuring that all figures and documents are free from errors.

Recordkeeping

The maintenance of records, including the processes of creating, storing, and managing documents.

Technology

The application of scientific knowledge for practical purposes, especially in industry, which includes machinery, equipment, methods, and processes.

Cost-benefit Constraint

A principle that considers whether the cost of implementing a decision outweighs the benefits derived from it.