Texas Instruments TI-84 - Manual (Page 387)

Chapter 13: Inferential Statistics and Distributions 384
ShadeNorm(lowerbound,upperbound[, m , s ])
Shade_t( Shade_t( Shade_t( Shade_t(
Shade_t( draws the density function for the Student- t distribution specified by df (degrees
of freedom) and shades the area between lowerbound and upperbound .
Shade_t(lowerbound,upperbound,df)
Note: For this example,
Xmin = 55
Xmax = 72
Ymin =
L .05
Ymax = .2
Note: For this example,
Xmin =
L
3
Xmax = 3
Ymin =
L .15
Ymax = .5