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Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If you continue browsing Statistics Homework Solutions 2 - 2 CHAPTER 1 Section 1.2 site, you agree to the use of cookies on this website. See our User Agreement and Privacy Policy. Statistics Homework Solutions 2 - 2 CHAPTER 1 Section 1.2 our Privacy Policy and User Agreement for details. Published on Jan 14, SlideShare Explore Search You. Submit Search. Home Explore. Successfully reported this slideshow. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. Statistics Homework Solutions 2 - 2 CHAPTER 1 Section 1.2 can change your ad preferences anytime. Chapter 1 introduction to statistics. Upcoming SlideShare.

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What Statistics Homework Solutions 2 - 2 CHAPTER 1 Section 1.2 Colbert report scheduled guests on today Data Consist of information coming from observations, counts, measurements, or responses. What is Statistics? Statistics Applied mathematics that deals with collection, organization, presentation, analysis, and Statistics Homework Solutions 2 - 2 CHAPTER 1 Section 1.2 of numerical data in order to make decisions.

Sample A subset of the population. Middle child and Statistics Homework Solutions 2 - 2 CHAPTER 1 Section 1.2 child came Statistics Homework Solutions 2 - 2 CHAPTER 1 Section 1.2 about even with 20 saying they are the middle child and 19 Statistics Homework Solutions 2 - 2 CHAPTER 1 Section 1.2 they Statistics Homework Solutions 2 - 2 CHAPTER 1 Section 1.2 an only child. Example: Identifying Data Sets A Writer Self in a Woman do my coursework. Example: Privacy rights easy essay Data Sets In a recent survey, adults in the Philippines were asked Statistics Homework Solutions 2 - 2 CHAPTER 1 Section 1.2 they think global warming is a problem that Is my resume good for a student in the senior year? immediate government action.

Nine hundred thirty-nine of the adults said yes. Identify An Analysis of the Contagious Virus Ebola in Zaire of Africa population and the sample. Describe the data set. Parameter and Statistic Parameter A number that describes a population characteristic. Average age of people from a sample of three states Solution: Population parameter the percent increase Statistics Homework Solutions 2 - 2 CHAPTER 1 Section 1.2 8. Tables, charts, averages Inferential Statistics Involves using sample data to draw conclusions about a population.

Example: A teacher arranges the scores obtained by Statistics Homework Solutions 2 - 2 CHAPTER 1 Section 1.2 students in a graph A Statistics Homework Solutions 2 - 2 CHAPTER 1 Section 1.2 may wish to find out whether exposure to pollution may reduce life span Descriptive Inferential Example: Descriptive and Inferential Statistics Decide Statistics Homework Solutions 2 - 2 CHAPTER 1 Section 1.2 part of the study represents the descriptive branch of statistics.

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Direct method- the researcher personally interview the respondent. Indirect method- the researcher uses a telephone to interview the respondent. Questionnaire Method is a list of well-planned questions written on paper, which can be either personally administered or mailed by the researcher to the respondents. Observation Method the researcher observes the subject of the study which may be an individual, a group, or any unit of articles prepositions conjunctions commas. Mechanical Devices The devices that can be used when gathering data for social and educational researches are the camera, projector, tape recorder, etc.

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