The Mean Systolic Blood Pressure for a Random Sample of 28

question 124

Multiple Choice

The mean systolic blood pressure for a random sample of 28 women aged 18 -24 is 112.4 mm Hg and the standard deviation is 12.8 mm Hg. Construct a 90% confidence interval for the standard deviation σ, of the systolic blood pressures of all women aged 18-24. Round to the nearest hundredth when necessary.

• A) (10.5, 16.55)
• B) (10.34, 16.17)
• C) (10.97, 15.63)
• D) (9.98, 17.92)

---

Definitions:

Business Contract

A legally binding agreement between two or more parties that outlines the terms and conditions of business transactions.

Civil Law

A legal system based on written codes and statutes, as opposed to common law, which is based on judicial decisions and precedent.

Criminal Law

A system of law focused on the punishment of individuals who commit crimes.

Defense of Marriage Act

The Defense of Marriage Act was a U.S. federal law enacted in 1996 that defined marriage for federal purposes as the union of one man and one woman, and allowed states to refuse to recognize same-sex marriages granted under the laws of other states.