Section 1.3 Integration: Statistics

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

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

Bachelor's Degree Candidates By curriculum for all types of employers Yearly salary ranges in $ Business Accounting 40, ,500 Business Administration/Management 32, ,000 Management Information Systems 38, ,400 Marketing/Marketing Management 31, ,000 Computer Sciences Computer Science 45, ,500 Information Sciences & Systems 38, ,000 Engineering Chemical 52, ,600 Civil 40, ,000 Computer 50, ,000 Electrical/Electronic 49, ,000 Mechanical 47, ,240 Humanities & Social Sciences Liberal Arts & Sciences 27, ,000 Psychology 24, ,000 Sociology 25, ,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

1.) Making a Graph using Excel

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)

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

b) Find the mode c) Find the mean

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

Homework Page 23 Problems: 10,11,12,14,16, 22, 23, and 26