DAW-R Quiz 3

If-else, for loop and while loop are called (a)  

The chart/plot used for finding outliers in the data is (a)  

It is not possible to convert a dot graph to line graph

• True

• False

It is essential that an installed package must be revoked for usage

• True

• False

The package associated with graphs and charts is

• dplyr

• psych

• plotrix

• matrixcalc

The output of : vector<-(3,4,5,6)

• 3 4 5 6

• 3,4,5,6

• 3456

• Error Message

The output of : M10<-matrix(1:4, nrow=2 and ncol =2) is

• 1 2

  3 4

• 1 3

  2 4

• 1 4

  2 3

• 4 3

  2 1

It is possible to watch only the first few and last few observation in a large dataset in R

• True

• False

In which control structure a set of statements are executed before the condition is checked

• For loop

• while loop

• if statement

• None of them

Operators most widely used with - if statement, for loop and while loop are

• Logical Operators

• Assignment Operators

• Conditional Operators

• Arithmetic Operators