Topic 1 Introduction

This E-Pack is a self-contained homegrown Ebook that contains all topics covered in current MAT 121 at WCU.

All technical terms used in this Ebook are consistent with those used in the required textbook. There several benefits of using this E-Pack:

  • All technical terms used in this eBook are consistent with those used in the required textbook.

  • Three formats (PDF, HTML, and EPub) of the E-Pack are accessible from different devices.

  • In the HTML version, there are many animated graphics as well as decorative visual aids such as font size, colors, etc. to make some concepts more intuitive.

  • The supplement course website [https://pengdsci.github.io/MAT121/] has topic-wise online practice problems for most of the topics.

  • 17 homegrown interactive statistics learning apps (ISLA) [https://pengdsci.github.io/ISLA/] covers all topics in this course. These apps can be used in two ways:

    • play around with the apps associated with each topic to enhance your understanding of the topics;
    • use these apps as solution generator to check your work. Yes. They can generator answers to your questions! I used these apps generated answers to many examples