Tests of Differences T-Tests; Analysis of Variance Flashcards Preview

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Flashcards in Tests of Differences T-Tests; Analysis of Variance Deck (5)
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1

T-test

SHT that uses a test statistic with a known probability distribution of the t-distribution

2

Independent t-test
(Student's t-test)

SHT that tests whether 2 means collected from 2 independent samples differ significantly

3

Paired t-test

SHT that tests whether 2 means collected from same sample differ significantly

4

Student's t-test:
for 2 independent groups to compare means

null hypothesis: the mean value of group 1 is the same as that of group 2

null hypothesis is rejected if p-value < 0.05

5

Paired t-test:
for 2 paired groups to compare means

null hypothesis: the mean value in pre session is the same as that in post session

null hypothesis is rejected if p-value < 0.05