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Unformatted text preview: MAT 109 Interpreting Time Series Graphs Instructor: Michael Dempsey Name: Brineydi Peralta Date Given: 9/20/10 Date Due: 9/26/2010 Directions: Follow the notes below. You will be given a product to analyze with respect to trend in prices. Prepare the time-series graph. Then answer the question: what trend do you see in prices during the years from 1980 to the present? [Point value: 10] (1) Locate a website that records time-series data: http://www.bls.gov/data/ . This is the federal governments source, Bureau of Labor Statistics. Click on Inflation & Prices. (2) Scroll down to Average Price Data, Consumer Price Index (CPI). (3) Select Top Picks. (4) Youll see 18 items. Check the box of the one assigned to you by your instructor. Click on the Retrieve Data button. Notice that a table appears with monthly data for all years within the range of prices that have been tracked. To be sure that you have the complete set of data, range of prices that have been tracked....
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This note was uploaded on 10/08/2010 for the course MAT 109 taught by Professor Michael during the Spring '10 term at Peirce.
- Spring '10