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The table to the right shows the marriage and divorce rates per 1,000 population for selected years since 1960. Complete parts (A) and (B) below. LE Marriages and Divorces (per 1,000 population). Date Marriages Divorces 1960 8.3 2.2 1970 11.3 3.5 1980 10.8 5.2 1990 9.2 47 2000 8.3 4.1 2010 6.4 3.6 (A) Let x represent the number of years since 1960 and find a cubic regression polynomial for the marriage rate. y=0x³+x²+x+ (Round to six decimal places as needed.)

The table to the right shows the marriage and divorce rates per 1,000 population for selected years since 1960. Complete parts (A) and (B) below. LE Marriages and Divorces (per 1,000 population). Date Marriages Divorces 1960 8.3 2.2 1970 11.3 3.5 1980 10.8 5.2 1990 9.2 47 2000 8.3 4.1 2010 6.4 3.6 (A) Let x represent the number of years since 1960 and find a cubic regression polynomial for the marriage rate. y=0x³+x²+x+ (Round to six decimal places as needed.)

Advanced Engineering Mathematics
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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Round regression to six decimals. The table to the right shows the marriage and divorce rates per 1,000 population for selected years since 1960. Complete parts (A) and (B) below. XX X+ Marriages and Divorces (per 1,000 population) Date Marriages Divorces 1960 8.3 2.2 1970 11.3 3.5 1980 10.8 5.2 1990 9.2 4.7 2000 8.3 4.1 2010 6.4 3.6 (A) Let x represent the number of years since 1960 and find a cubic regression polynomial for the marriage rate. y=0x³+x²+x+O (Round to six decimal places as needed.).
Transcribed Image Text:Round regression to six decimals. The table to the right shows the marriage and divorce rates per 1,000 population for selected years since 1960. Complete parts (A) and (B) below. XX X+ Marriages and Divorces (per 1,000 population) Date Marriages Divorces 1960 8.3 2.2 1970 11.3 3.5 1980 10.8 5.2 1990 9.2 4.7 2000 8.3 4.1 2010 6.4 3.6 (A) Let x represent the number of years since 1960 and find a cubic regression polynomial for the marriage rate. y=0x³+x²+x+O (Round to six decimal places as needed.).
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