Exam (elaborations) BUAL 2650 Yan

7/13/25, 11:26 PM BUAL 2650 Yan Exam 2




BUAL 2650 Yan Exam 2 complete questions and
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Choose matching definition



there is NO evidence to reject H0



4 there is DEFINITE proof to support H0




Terms in this set (53)


aka matched samples, they are paired up so that
what are matched pairs?
the participants share every characteristic except
for the one under investigation
If p < 0.10 there is SOME evidence to reject H0
If p < 0.05 there is STRONG evidence to reject H0
If p < 0.01 there is VERY STRONG evidence to reject H0
if p < 0.001 there is EXTREMELY STRONG evidence to reject H0



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, 7/13/25, 11:26 PM BUAL 2650 Yan Exam 2


In testing the difference T-test
between the means of two
normally distributed
populations using
independent random
samples with equal
variances, the correct test
statistic to use is the
_________
when testing a hypothesis t
about the mean of a
population of paired
differences in which two
different observations are
taken on the same units, the
correct test statistic to use is
______
when testing the difference z
between 2 population
proportions using large
independent random samples,
the _______ test statistic is
used
if we are testing the 9
hypothesis about the mean
of a population of paired
differences with samples of
n1=10, n2=10, the degrees of
freedom for the t-statistic is
_______
a number whose value varies depending on the
D0
situation. Often D0 will be the number 0
- independent samples
Assumptions for t-test statistic - equal variances

- either normal populations OR large sample sizes

an experiment in which we have obtained 2 different
paired differences experiment
measurements on the same "n" units is called ________
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