For the following time periods, calculate the percent change in the CPI to the nearest tenth. From
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For the following time periods, calculate the percent change in the CPI to the nearest tenth.
From 1995 to 2015
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EXAMPLE 10 Calculating percent change TABLE 1.2 lists the CPI for selected years from 1970 to 2015. A CPI of 39 indicates that a typical sample of consumer goods costing $100 in 1982-1984 would have cost $39 in 1970. Consumer Price Index 1985 1990 1995 2000 2005 2010 2015 82 108 131 152 172 195 218 237 Year 1970 1975 1980 CPI 39 54 Source: Bureau of Labor Statistics. TABLE 1.2 (a) Discuss the change in the CPI over this 45-year period. (b) Approximate the percent change in prices from 1980 to 2015. (c) From 1980 to 2015 the average tuition and fees at public colleges and universities rose from $804 to $9410. Determine if the percent change in tuition and fees was more or less than the percent change in the CPI for the same time period. (Source: The College Board.)
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College Algebra With Modeling And Visualization
ISBN: 9780134418049
6th Edition
Authors: Gary Rockswold
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