In Developing a Confidence Interval for the Population Standard Deviation

question 69

True/False

In developing a confidence interval for the population standard deviation , we make use of the fact that the sampling distribution of the sample standard deviation s is not the normal distribution or the t-distribution, but rather a right-skewed distribution called the chi-square distribution, which (for this procedure) has n - 1 degrees of freedom.

---

Definitions:

Trade Credit

A type of commercial financing in which a customer is allowed to purchase goods or services and pay the supplier at a later scheduled date.

Commercial Paper

A short-term, unsecured debt security that corporations issue, primarily to fund payroll, accounts payable, and inventory needs.

Bank Loans

Debt provided by banking institutions that is repayable over a set period of time with interest.

Pledged

Assets that are promised or committed as security for the fulfillment of a debt or an obligation.