REPL PRACTICE EXAM 2026 FULL
QUESTIONS AND DETAILED SOLUTIONS
●● what does ** or ^ mean in R. Answer: to the power of
●● == ?. Answer: exactly equal
●● !=. Answer: no equal to (must have no space in between
●● | ?. Answer: or
●● what is a variable in R. Answer: symbolic name for information.
represented infor can change but operations on variable may remain the
same
●● what does L mean in R at the end of a number. Answer: the number
remains an interger.
●● how to check what kind of variable something is. Answer: typeof(x)
●● what type of value is NA (not applicable). Answer: logical
QUESTIONS AND DETAILED SOLUTIONS
●● what does ** or ^ mean in R. Answer: to the power of
●● == ?. Answer: exactly equal
●● !=. Answer: no equal to (must have no space in between
●● | ?. Answer: or
●● what is a variable in R. Answer: symbolic name for information.
represented infor can change but operations on variable may remain the
same
●● what does L mean in R at the end of a number. Answer: the number
remains an interger.
●● how to check what kind of variable something is. Answer: typeof(x)
●● what type of value is NA (not applicable). Answer: logical