What Percent of All Cases Are Found Between an SD

question 30

Multiple Choice

What percent of all cases are found between an SD of +2 and an SD of -2 on a normal curve?

• A)50
• B)68
• C)95
• D)99

---

Definitions:

Microcomputers

The smallest and least expensive category of general-purpose computers, also called micros, personal computers, or PCs.

Secondary Storage

Technology that can store very large amounts of data for extended periods.

Data

Information collected, stored, and used for analysis or processing; can be quantitative or qualitative.

Program Instructions

Detailed steps and rules that tell a computer or system how to perform specific tasks or operations.