Multiple Choice
Ann is analyzing a data set that contains two variables, Job Title and 401K. 401K contains the name of the three companies that carry the retirement accounts. It is mandatory to have an account, thus no observation is blank. If 401K was transformed to dummy variables, how many should be created?
A) 2
B) 3
C) 4
D) 1
Correct Answer:

Verified
Correct Answer:
Verified
Q25: Subsetting is a technique used to convert
Q26: When too many variables are categorized in
Q27: Using the simple mean imputation strategy, what
Q28: In a data set with 20 variables,
Q29: Using R, what function is used to
Q31: Kara is reviewing categories where a series
Q32: A dummy variable takes on a value
Q33: In the following table, there are four
Q34: Marcus wants to include the month of
Q35: Which term represents data items, events, or