02_Stats

To investigate the relationship between two continuous variables (x1 and x2) in Stata, you would use

• tab x1 x2

• sum x1 x2

• scatter x1 x2

• hist x1 x2

To investigate the relationship between two categorical variables (x1 and x2) in Stata, you would use

• tab x1 x2

• sum x1 x2

• scatter x1 x2

• hist x1 x2

How can you display summary statistics of all the variables in the dataset in Stata?

• sum

• summar

• summarize

• All of the above

There is a variable y in you dataset and you want to create a new variable x. Choose the line of code that would result in an error:

• gen x = 2

• gen x = 2 if y < 2

• gen x = 2 if y = 2

• gen x = 2 if y == 2

How can you combine if conditions in Stata?

• With & as "and" and | as "or"

• With & as "or" and | as "and"

• It is impossible to combine conditions, there can be only one per line.

• With () as "or" and [] as "and".