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Section 1.3 Integration: Statistics. Written form Picture form Tabular form Graphical form The method you choose depends on your objectives. In mathematics.

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Presentation on theme: "Section 1.3 Integration: Statistics. Written form Picture form Tabular form Graphical form The method you choose depends on your objectives. In mathematics."— Presentation transcript:

1 Section 1.3 Integration: Statistics

2 Written form Picture form Tabular form Graphical form The method you choose depends on your objectives. In mathematics we use all of the above

3 Median Salary by Degree/Major Subject - All People in All Surveys (United States )

4 Bachelor's Degree Candidates By curriculum for all types of employers Yearly salary ranges in $ Business Accounting 40,000 - 47,500 Business Administration/Management 32,500 - 46,000 Management Information Systems 38,700 - 49,400 Marketing/Marketing Management 31,200 - 42,000 Computer Sciences Computer Science 45,000 - 56,500 Information Sciences & Systems 38,000 - 51,000 Engineering Chemical 52,000 - 57,600 Civil 40,000 - 47,000 Computer 50,000 - 56,000 Electrical/Electronic 49,000 - 56,000 Mechanical 47,000 - 54,240 Humanities & Social Sciences Liberal Arts & Sciences 27,000 - 40,000 Psychology 24,000 - 35,000 Sociology 25,000 - 37,000 Source: NACE Salary Survey, Fall 2005 report. Data are starting salary offers reported to NACE by colleges and universities nationwide. Salary Data from Web-Site

5 1.) Making a Graph using Excel

6

7 Def: The median of a set of data is the middle value. If there are 2 middle values it is the mean (average)of the 2 middle values. Def: The mode of a set of data is the most frequent value. Some sets have multiple modes and others have no mode. Def: The mean of a set of data is the sum of all the values divided by the number of values. (average)

8 1)The chapter 6 test scores are as follows: 72, 98, 64, 84, 82, 80, 87, 93, 95, 85, 83, 82, 78, 77, 91, 83, 85, 80, 82, 92, 74, and 76 a) Find the median: 64, 72, 74, 76, 77, 78, 80, 80, 82, 82, 82, 83, 83, 84, 85, 87, 91, 92, 93, 95, 95, 98

9 b) Find the mode c) Find the mean

10 Def: The extreme values are data values that vary greatly from the central group of values 3) Find the mean if the Expenditure per student by state: Alaska$11,147 California$8,689 Montana$9,973 New York$17,750 Texas$9,128 Utah$7,056 Note: 17,750 is an extreme measure therefore the mean is not representative of the average

11 Homework Page 23 Problems: 10,11,12,14,16, 22, 23, and 26 http://www.jobweb.com/Resources/Library/Salary_and_Benefits/Starting_Salary_51_01.htm


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