Question

70.the average annual exchange rate in Canada for US dollar from 1998-2007 is shown in the following table below. draw a scatter plot, with out using graphing technology.

Lesson 17: Lines of Best Fit 70. a) The average annual exchange rate in Canada for the US dol Is shown in the following table. Draw a scatter plot, without technology Exchange Rate 0.67 0.67 T 0.70 Year 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 0.74 0.80 0.81 0.86 0.87 0.90 0.99 o BE W ASUS VivoBook f7 f8O/ Home/Début 19 Endli f10

b draw the line of best fit
c. determine the slope of your best line of best fit and identify the y-intercept.
d determine the equation of the line of best fit.

Answer 1

०.९. a) 0.67 0.41 0.3- D.2- 1400 ०.५१ 6.74 0-5476 1480.74 16016 0 1948 109 2000 2001 2002 2003 2001 2020 2007 22 x 2 Y १५५ 1998 0.61 3992,००५ ०.५489 1338-66 14९१ 0-61 3996,00) 64489 1338.33 2000 0-10 ५0001000 2००) ५,004,00) 2002 ५,००81004 9-६५६१ 2003 0.81 4,012,009 0.6561 1622.43 २००५ 0.86 1723.44 2005 0.81 1744.35 0-1569 1805-4 २०० 0-१0५,024,036 0.9801 0.१९. ५,028,०५९. 2007 0-1396 ५,016,016 ५.०20025 198693 40/100,145. 801 6.5181 20,025 16,042.88.

nz1o. 200 2-5 ž= 2x 20,825 lo = 0.80) Regression coefficient of yon u is byr = nery- Einky nErt-(Exle = 10/16042.88)-(20,025) (8.01) 10 (40,100,145)-(20,02572 SO-035 d Regression line of you u is y-ý – byre (dez) Y-0.801= 0.035(x-20025) y =0.035 2-20.087+0.80) Y=0.035X - 69.286 a.) scattar plot. line diagram. -0.035 c) Slope y-intercept = - 69.286. d) Y=0.0852-69.286.

0.94 608 07 0.67 0.4 0.37 0.2+ 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007