Texas Instruments TI-36X manual 566 3, 566 0, 1566, 24, 8!! 5 I 6 8 OV, Ý x.1 y566

8!!!!!	Ý÷xy a b r Þ
	.1:	56)63,.-5143/
"	Ý÷xy a b r Þ
	.1:	56)60,.-0019/
"	Ý÷xy a b r Þ
	.1:	56)60,.-9374/
""	Ýx'.1:y'56)6,-/
1 0 6 9 5 OV%t2	y'(10695)
	.1:56)6,24-/.08
8!!5 I6 8 OV	x'(5.68)
%t0	.1:	56)6,1126-/.

The equation is y=3.5143+0.0019x. The coefficient of correlation is .9374. A country with a GDP per capita of $10695 is predicted to have a telephone density of

24.08.If a country has a telephone density of 5.68, you would expect that country to have a GDP per capita of about $1126.

38

Ti36eng1.doc TI-36X II Manual Linda Bower Revised: 01/10/03 10:47 AM Printed: 01/10/03 10:47 AM Page 38 of 48