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13th Edition

Anderson

Publisher: CENGAGE L

ISBN: 9781305881884

Chapter 8.2, Problem 16E

Textbook Problem

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A sample containing years to maturity and yield for 40 corporate bonds are contained in the data file named CorporateBonds (*Barron’s*, April 2, 2012).

- a. What is the sample mean years to maturity for corporate bonds and what is the sample standard deviation?
- b. Develop a 95% confidence interval for the population mean years to maturity.
- c. What is the sample mean yield on corporate bonds and what is the sample standard deviation?
- d. Develop a 95% confidence interval for the population mean yield on corporate bonds.

**a.**

To determine

Find the sample mean and sample standard deviation for years to maturity for corporate bonds.

**Calculation:**

The given information is that the sample of 40 corporate bonds consists of years to maturity and yield.

**Software Procedure:**

Step-by-step procedure to obtain the sample mean and the sample standard deviation value using the MINITAB software:

- Choose
**Stat > Basic Statistics > Display Descriptive Statistics**. - In
**Variables**enter the columns**Variable**...

**b.**

To determine

Find the 95% confidence interval for population mean of years to maturity.

**c.**

To determine

Find the sample mean and sample standard deviation for years to maturity.

**d.**

To determine

Find the 95% confidence interval for population mean yield of corporate bonds.

STATISTICS F/BUSINESS+ECONOMICS-TEXT

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