Year RICE LOG(Yt) (t)

1997 230341 5.362371248 1

1998 293827 5.468091701 2

1999 379089 5.578741183 3

2000 450505 5.653699615 4

2001 493316 5.693125201 5

2002 511565 5.708900823 6

2003 540648 5.732914601 7

2004 559515 5.747811734 8

2005 579857 5.763320904 9

2006 585692 5.767669292 10

2007 568508 5.75473658 11

2008 574724 5.759459333 12

2009 587080 5.768697286 13

2010 591670 5.772079549 14

2011 591640 5.772057528 15

2012 565816 5.752675224 16

2013 563429 5.750839197 17

2014 571405 5.756944036 18

2015 567241 5.753767614 19

2016 540678 5.732938699 20

2017 550240 5.740552158 21

2018 599090 5.77749207 22

2019 636570 5.803846168 23

2020 675600 5.829689641 24

Data represents the per capita (kg/yr) consumption of rice from 1997 to 2020 for a particular developing country.

(a) Specify and estimate a linear trend. Report the estimated coefficients.

(b)Specify and estimate a quadratic trend.Report the estimated coefficients.

(c)Specify and estimate an exponential trend. Report the estimated coefficients.