The Mean Annual Tuition and Fees for a Sample of 12

question 23

Multiple Choice

The mean annual tuition and fees for a sample of 12 private colleges was $27,900 with a standard deviation of $4400. A dotplot shows that it is reasonable to assume that the
Population is approximately normal. You wish to test whether the mean tuition and fees
For private colleges is different from $31,500.
State the null and alternate hypotheses.

• A) \(H _ { 0 } : \mu \neq 31,500 , H _ { 1 } : \mu = 31,500\)
• B) \(H _ { 0 } : \mu = 31,500 , H _ { 1 } : \mu = 27,900\)
• C) \(H _ { 0 } : \mu = 27,900 , H _ { 1 } : \mu \neq 27,900\)
• D) \(H _ { 0 } : \mu = 31,500 , H _ { 1 } : \mu \neq 31,500\)

---

Definitions:

Second Wife

A term usually referring to the wife a man marries after the dissolution of his first marriage, whether by death or divorce.

30th Wedding Anniversary

A significant milestone celebrating thirty years of marriage, often symbolized by pearls.

Married Couples

Two individuals who have entered into a legally recognized partnership, often involving a public commitment ceremony.

Divorced

The legal dissolution of a marriage by a court or other competent body, officially ending the marital relationship.