Inferential Statistics(Inclass Activity#19)

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6 Terms

1
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Two

Number of groups/samples compared in a t-test

2
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Ratio or Interval

These are appropriate levels of measurement for dependent variable in a t-test

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Nominal

This is the appropriate level of measurement for the independent variable in a t-test

4
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The alternative hypothesis

The mean of population #1 is not equal to the mean of population #2

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The null hypothesis

The mean of population #1 is equal to the mean of population#2

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Type 1 error

Rejecting the null and accepting the alternative, when you should have failed to reject the null