Casio FX-9750G PLUS User's Manual & Technical Reference page 294

18 - 4
Calculating and Graphing Paired-Variable Statistical Data
Perform the calculation, and the logistic regression analysis values appear on the
display.
266
C
y =
1 + ae
–bx
6(g)6(g)1(Lgst)
6(DRAW)
Example Imagine a country that started out with a television diffusion
rate of 0.3% in 1966, which grew rapidly until diffusion reached
virtual saturation in 1980. Use the paired statistical data shown
below, which tracks the annual change in the diffusion rate, to
perform logistic regression.
List1(Year Data)
{66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83}
List2(Diffusion Rate)
{0.3, 1.6, 5.4, 13.9, 26.3, 42.3, 61.1, 75.8, 85.9, 90.3, 93.7, 95.4, 97.8, 97.8,
98.2, 98.5, 98.9, 98.8}
1(GRPH)1(GPH1)
6(g)6(g)1(Lgst)
6
6