Legal and statistics

Question 1

In a trial, a person who has information about a specialized area is an _____. A person who has information about a certain aspect of the case is a _____

Answer 1

In a trial, a person who has information about a specialized area is an Expert Witness. A person who has information about a certain aspect of the case is a Facts witness

Question 2

Best statistical tools for:

1. How well a data set follows a regression curve
2. Determine inf two groups are statistically distinct from one another
3. comparing two sets of data that are linked in some way
4. Comparing multiple data sets at once
5. Best for categorical variables

Answer 2

1. Regression curve: R^2
2. Two groups: T-test
3. Two linked data sets: Paired T-test
4. Multiple variables: ANOVA
5. Categorical variables: CHI-square