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Exercises
Testing Hypotheses
Test of Significance involving the Sample Average
Upper-tailed
t
-test
Two-tailed
t
-test
The
t
-test is not universally appropriate
Generalizing Tests of Significance
Examples
Type I and Type II Errors
Using the TI-83
Calculating a t-test for
Calculating a t-test for
Calculating a Paired t-test for
Calculating a z-test for
p
Calculating a z-test for
p
1
-
p
2
Using Excel
Comparing two means (independent samples)
Comparing two means (paired samples)
Exercises
2003-09-08
