Education Expenditure The following chart shows the percentage of the U.S. discretionary budget allocated to education from 2003 to 2009 (t = 3 represents the start of 2003). Percentage of U.S. budget on education 7.0 7.0 6.9 6.8 6.5 6.3 6.2 3 4 5 6 7 8 Year since 2000 The following table shows the percentage of the U.S. discretionary budget allocated to education in 2003, 2005, and 2009 (t = 3 represents the start of 2003). t Year t 3 5 9 Percentage 6.8 7| 6.2 Find a quadratic model for these three years. (Round your coefficients to two decimal places.) p(t) = Use your model to estimate the percentage of the U.S. discretionary budget allocated to education in 2007. (Round your answer to two decimal places.) | % Compare your answer with the actual figure shown in the chart. The actual percentage was %, which Select--- | in close agreement with the predicted figure. Percentage
Education Expenditure The following chart shows the percentage of the U.S. discretionary budget allocated to education from 2003 to 2009 (t = 3 represents the start of 2003). Percentage of U.S. budget on education 7.0 7.0 6.9 6.8 6.5 6.3 6.2 3 4 5 6 7 8 Year since 2000 The following table shows the percentage of the U.S. discretionary budget allocated to education in 2003, 2005, and 2009 (t = 3 represents the start of 2003). t Year t 3 5 9 Percentage 6.8 7| 6.2 Find a quadratic model for these three years. (Round your coefficients to two decimal places.) p(t) = Use your model to estimate the percentage of the U.S. discretionary budget allocated to education in 2007. (Round your answer to two decimal places.) | % Compare your answer with the actual figure shown in the chart. The actual percentage was %, which Select--- | in close agreement with the predicted figure. Percentage
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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The quadratic regression is given by
The coefficients A, B, and C are given by
where
The correlation coefficient is
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