tailieunhanh - Lecture Statistical techniques in business and economics - Chapter 1: What is statistics?

Chapter 1 - What is statistics? When you have completed this chapter, you will be able to: Explain what is meant by statistics, identify the role of statistics in the development of knowledge and everyday life, explain what is meant by descriptive statistics and inferential statistics, distinguish between a qualitative variable and a quantitative variable,. | Chapter 1 What is Statistics? When you have completed this chapter, you will be able to: Chapter Goals Explain what is meant by statistics. Identify the role of statistics in the development of knowledge and everyday life. Explain what is meant by descriptive statistics and inferential statistics. and. 1. 2. 3. 4. 1 1 - Distinguish between a qualitative variable and a quantitative variable. Chapter Goals and. 5. 6. 7. 8. 1 1 - Distinguish among the nominal, ordinal, interval, and ratio levels of measurement. Collect data from published and unpublished sources. Identify abuses of statistics. Distinguish between a discrete variable and a continuous variable. Chapter Goals 1 1 - 9. Gain an overview of the art and science of statistics. We recommend that you read this chapter at least twice, once at the beginning and once at the end of your course! it is the art and science of collecting organizing presenting data drawing inferences from a sample of information about . | Chapter 1 What is Statistics? When you have completed this chapter, you will be able to: Chapter Goals Explain what is meant by statistics. Identify the role of statistics in the development of knowledge and everyday life. Explain what is meant by descriptive statistics and inferential statistics. and. 1. 2. 3. 4. 1 1 - Distinguish between a qualitative variable and a quantitative variable. Chapter Goals and. 5. 6. 7. 8. 1 1 - Distinguish among the nominal, ordinal, interval, and ratio levels of measurement. Collect data from published and unpublished sources. Identify abuses of statistics. Distinguish between a discrete variable and a continuous variable. Chapter Goals 1 1 - 9. Gain an overview of the art and science of statistics. We recommend that you read this chapter at least twice, once at the beginning and once at the end of your course! it is the art and science of collecting organizing presenting data drawing inferences from a sample of information about an entire population as well as predicting and developing policy analysis What is Meant by Statistics? in everyday life Role played by Statistics Who uses Statistics? Those using Statistical techniques include : Marketers Accountants Hospitals Investors Economists Sports people Statisticians Consumers Educators Quality Controllers Politicians Physicians Weather Forecasters Who uses Statistics? Who uses Statistics? Sports Types of Statistics Types of Statistics Methods of collecting organizing presenting and analyzing data Science of making inferences about a population, based on sample information. Descriptive Inferential Identify the following C. Wine tasters sip a few drops of wine to make a decision with respect to all the wine waiting to be released for sale. A. A Gallup poll found that 83% of the people in a survey knew which country won the gold medal in Men’s Hockey in 2002. B. The accounting department of a firm will select a sample of invoices to check for accuracy of all .