2-Samp Ttest - Texas Instruments TI-84 Plus Manual Book

Drawn
results:
2-SampTTest 2-SampTTest 2-SampTTest 2-SampTTest
(two-sample
2-SampTTest
and m
populations (m
1
standard deviation (s
one of the alternatives below.
: m ƒm
• H (m
1:
a 1 2
: m
• H <m (m
1:<
a 1 2
: m
• H >m (m
1:>
a 1 2
In the example:
Chapter 13: Inferential Statistics and Distributions
Data
test; item
t
) based on independent samples when neither population
2
or s
) is known. The null hypothesis H
1 2
ƒm
)
2
m
)
2
m
)
2
Stats
) tests the equality of the means of two
4
: m
=m is tested against
0 1 2
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