A Researcher Hypothesizes That the Variation in the Amount of Money

question 40

Multiple Choice

A researcher hypothesizes that the variation in the amount of money spent on business dinners is greater than the amount of money spent on lunches. The variance of nine business dinners was $6.12, and the
Variance of 12 business lunches was $0.87. What is the test value?

• A) 3.1
• B) 9.61
• C) 49.5
• D) 7.03

---

Definitions:

Reduced Birth Weight

Reduced birth weight refers to infants born with a weight less than the average for their gestational age, which can be linked to various prenatal and maternal factors.

Cocaine Use

The act of consuming cocaine, a powerful stimulant drug, which can have serious health consequences and lead to substance dependency.

Pregnancy

The condition or period of being pregnant, a biological state in which a woman carries and nurtures a developing fetus within her uterus.

Teratogens

Agents or factors that can cause congenital anomalies or increase the incidence of an abnormal development in an embryo or fetus.