Question $2$

$2\mathrm{.}5pts$

What is the primary use of the $$ function in tidyverse packages in $R?$

To merge data from different sources into a single dataset.

To modify existing columns or add$-$new columns to a data frame based on existing data.

To filter rows from a dataset based on specific conditions.

To perform statistical tests on grouped data after making variable transformations.

Question $3$

$2\mathrm{.}5pts$

What is R and RStudio primarily used for?

$q,$

Creating spreadsheets and presentations.

Developing Java applications.

Managing databases and SQL scripts.

Writing and executing $R$ scripts and conducting statistical analysis.