Exhibit 12-7 You Want to Test Whether or Not the Following Sample

question 57

Multiple Choice

Exhibit 12-7
You want to test whether or not the following sample of 30 observations follows a normal distribution. The mean of the sample equals 11.83, and the standard deviation equals 4.53.
-Refer to Exhibit 12-7. The expected frequency in the 3rd interval is

• A)3
• B)4
• C)5
• D)10

---

Definitions:

Evolutionary Theory

A scientific explanation that describes how species change over time through processes such as natural selection and genetic variation.

Sex Drive

The human instinct or desire for sexual activity, also known scientifically as libido, which can vary greatly among individuals.

Marital Satisfaction

The degree to which individuals in a marital or romantic partnership feel content and fulfilled by their relationship.

Birth Control Pills

A form of contraceptive medication taken orally to prevent pregnancy, typically containing hormones that inhibit ovulation or cause changes to cervical mucus and uterine lining.