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Significance Test for Paired Data
Chapter 10 - Day 9 - Lesson 10.3
Perform a significance test about a mean difference.
Determine when it is appropriate to use paired t procedures versus two-sample t
Activity: Does Memory Training Help? Part 2
To help decide between one sample and two sample t procedures, students should ask themselves:
How many samples do I have?
Two. μ1- μ2 (usually) Watch out for two samples that pair individuals.
Can any piece of data in the first group be compared to any piece of data in the second?
Yes. μ1- μ2
No, they must stay in pairs. μdiff
Do they reference pairing the data?
No. μ1- μ2
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