Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book page 244

LinRegTInt
LinRegTInt computes a linear regression T confidence interval for the slope coefficient b. If the
confidence interval contains 0, this is insufficient evidence to indicate that the data exhibits a linear
relationship.
In the example:
list 1={4, 5, 6, 7, 8}
list 2={1, 2, 3, 3.5, 4.5}
LinRegTInt input
screen:
Calculated
results:
Xlist, Ylist is the list of independent and dependent variables. The list containing the
(frequency) values for the data is stored in
numbers. Each element in the
point in the input list specified in the
storing the regression equation. StoreRegEqn (optional) is the designated variable for storing the
regression equation. The C level is the Confidence level probability with default = .95.
Note: Press
select TESTS. Press
several times to select
G:LinRegTint... Press
Í
. Press
times to select Calculate.
Í
Press
. The default is 1. All elements must be real
List
list is the frequency of occurrence for each corresponding data
Freq
fields. RegEQ (optional) is the designated Yn variable for
List
Chapter 13: Inferential Statistics and Distributions
... ~ ~
to
†
†
several
.
Freq
237