STATA's original name was ______.

In STATA, missing values for string and numeric variables are represented by dots (.) and blanks, respectively.

This STATA command is use to change the working directory.

Which STATA window displays all variables that the currently used dataset contains and the newly created variables?

Which STATA window displays properties of your variables and dataset?

Which STATA window allows you to enter, edit, and execute STATA commands?

STATA uses one line commands which can be entered one command at a time.

This STATA command allows you to type data directly into the dataset in memory.

STATA is a portmanteau of the word “statistics” and “data”

In Stata terms, data in memory is termed the "master dataset" while dataset to be merged is called the “using” dataset"

This STATA command is used to add more observations (rows).

The merge command combines datasets by stacking them row-wise, adding more observations of the same variables

Missing numeric values in Stata are represented by dot (.)

This basic data management technique in STATA gives text descriptions to the numerical values of a variable.

This STATA command converts number variables stored as strings to numeric.

Which of the following is a type of merging in STATA?

Observations in each dataset to be merged should be linked by a unique id variable/identifier.

This STATA command changes the name of a variable.

In merging, STATA will only output how many observations were successfully merged.

The import excel command reads worksheets from Microsoft Excel (.xls and .xlsx) files.

Data files stored in Stata’s format are known as _____.

Double clicking on a .dta file in Windows will open up the data in a new instance of Stata (not in the current instance)

This STATA command loads the STATA dataset.

he file extension used for do-files is _____.

To run a command from the do-file, highlight part or all of the command, and then hit ______.

This STATA command opens the do file editor.

Multiple commands can be selected and executed in the do-file editor.

Comments, which are not executed, are usually preceded by * and are colored ____

Which of the following is NOT a command to examine or view your data in STATA?

Use sort with + or – before each variable to specify ascending and descending order, respectively

This STATA command open help page.

Histograms plot distributions of variables by displaying counts of values that fall into intervals of the variable.

Drop command removes the selected variables and keeps the rest.

_________ is the representation of data in visual formats such as graphs.

This type of graph displays the median, the interquartile range, (IQR) and outliers (beyond 1.5*IQR).

This STATA command preserves the selected variables and drops the rest.

This graph explore the relationship between 2 continuous variables.

In two-way bar graphs, this option will color the bars by the first over() variable.

Stata is an easy to use but powerful software that features strong capabilities in data management and analysis.