DATASCI 7.2
Call Kai
Learn
Practice Test
Spaced Repetition
Match
Flashcards
Knowt Play1/5
There's no tags or description
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced | Call with Kai | Chat |
|---|
No analytics yet
Send a link to your students to track their progress
6 Terms
What is paired data?
Two sets of observations are paired if each observation in one set has a special correspondence or connection with exactly one observation in the other set
Why does pairing matter in statistical analysis?
Pairing accounts of the natural correlation between the pairs, reducing variability and giving more accurate results
How do you analyze paired data?
Analyze the differences within each pair rather than treating observations as independent
Which statistical test is usually used for paired data?
A paired t-test
After computing the differences in a paired data set, what do you analyze?
The mean and standard deviation of the differences
How is a paired t-test different from a two-sample t-test?
A paired t-test analyzes the differences within pairs, while a two-sample t-test treats observations as independent