学霸笔记

CHAPTER 1 INTRODUCTION TO STATISTICS OBJECTIVE  Students should be able to: 1. Determine the difference between descriptive and inferential statistics. 2. Know the statistical terms.  3. Identify a data type and differentiate between discrete variable and continuous variable.  4. Differentiate between population and sample data 1.0 Introduction Statistics is an important field which has been used widely in research of social science, physics, biology, engineering, medicine and business. Activities involve in Statistics are collecting, organizing, summarizing, presenting and analysing a set of data. Besides that, activities also include drawing valid conclusion and making reasonable decision from the analysed data. Definition of statistics: Statistics is defined as a group of methods: collecting, organizing, presenting, analyzing, and interpreting data in order to make decision. 1.1 Types of Statistics There are two types of statistics, namely: a. descriptive sta...

ESSAY WRITING Title: Intelligent Machines Machines have taken a huge role in our day-to-day lives. They can either affect us in a good way or in a bad way. Granted, machines have impacted many people in the workplace but they help us finish the jobs. There are many ups and downs to the development of machines. Some people have become so dependent on machines they start to lose their “humanity”. Machines can take away the personal aspect of life. For example, we lose basic courtesy, respect, and tolerance for people due to using machines so much. Some machines that could make that happen are; cell phones, computers, and video games. When people purchase one of these machines they usually are on it and depend on it all the time. Due to the lack of self-motivation through machines we could lose our common courtesy. In the workplace, machines have effected jobs dramatically. They can perform at low-skill repetitive jobs and at high-speed precise jobs. They mostly are better than huma...