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Texas Instruments TI-84 User Manual

Page 591

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Appendix A: Functions and Instructions

588

LinReg(ax+b) [Xlistname,
Ylistname,freqlist,
regequ]

Fits a linear regression
model to Xlistname and
Ylistname with frequency
freqlist, and stores the
regression equation to
regequ.

CALC
4:LinReg(ax+b)

LinRegTTest [Xlistname,
Ylistname,freqlist,
alternative,regequ]

Performs a linear
regression and a t-test.
alternative=

L

1 is <;

alternative=0 is

ƒ

;

alternative=1 is >.

TESTS
F:LinRegTTest

LinRegTInt [Xlistname,
Ylistname,freqlist,
confidence level, regequ
]

Performs a linear
regression and computes
the t confidence interval for
the slope coefficient b.

TESTS
G:LinRegTInt

@

List(list)

Returns a list containing
the differences between
consecutive elements in
list.

y 9

OPS
7:

@

List(

List

4

matr(listname1,...,

listname n,matrixname)

Fills matrixname column by
column with the elements
from each specified
listname.

y 9

OPS
0:List

4

matr(

ln(value)

Returns the natural
logarithm of a real or
complex number,
expression, or list.

µ

Function or
Instruction/Arguments

Result

Key or
Keys/Menu or
Screen/Item