Texas Instruments TI-83 Manual Book page 249

T.Test
Input:
Calculated results:
Drawn results:
(one-sample t test; item
T.Test
test for a single unknown population mean
population standard deviation s is unknown. It tests the
null hypothesis H
below.
: mƒm
H ( m:ƒm
a 0
: m<m
H (
m:<m
a 0
: m>m
H (
m:>m
a 0
In the example:
TEST={91.9 97.8 111.4 122.3 105.4 95}
Data
,
,
Inferential Statistics and Distributions 13-11
) performs a hypothesis
2
: m=m
against one of the alternatives
0 0
)
0
)
0
)
0
when the
m
Stats
,
,