Suppose a Population Mean Is Assumed to Be 20 and the Sample

question 44

Multiple Choice

Suppose a population mean is assumed to be 20 and the sample standard deviation is 5.Then,a score of 15 would have a Z-value of approximately ____.

• A)-7.00
• B)-1.00
• C)+1.00
• D)+5.00

---

Definitions:

Encoding

The initial process of transforming sensory information into a form that can be stored and recalled later from the memory.

Decay

The process of decline in quality, power, or vigor; the decomposition of organic matter.

Retrieval

The method of retrieving data from memory storage and bringing it back into conscious recognition.

Tip-of-the-tongue Effects

A psychological phenomenon where a person knows something but cannot retrieve the information from memory, although it feels just out of reach.