Introduction to Statistics

CHAPTER1 Introduction to StatisticsLEARNING OBJECTIVESA fter reading this chapter, you should be able to:1 Distinguish between descriptive and inferential Explain how samples and populations, as well as a sample statistic and population parameter, Describe three research methods commonly used in behavioral State the four scales of measurement and provide an example for Distinguish between qualitative and quantitative Determine whether a value is discrete or Enter data into SPSS by placing each group in separate columns and each group in a single column (coding is required). Descriptive and inferential Statistics in Scales of Types of Research in Focus: Types of Data and Scales of SPSS in Focus: Entering and Defining Variables2 PART I: Introduction AND DESCRIPTIVE DESCRIPTIVE AND inferential STATISTICSWhy should you study Statistics ?

Statistics is a branch of mathematics used to summarize, analyze, and interpret a group of numbers or observations. We begin by introducing two general types of statistics: •• Descriptive statistics: statistics that summarize observations. •• Inferential statistics: statistics used to interpret the meaning of descriptive statistics.

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  Introduction, Statistics, Introduction to statistics, Inferential, Inferential statistics

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