What is the short form of Analysis of Variance?

Which is the simplest class of analytics?

Which of the following can be considered as an object attribute in R?

What will be the output of the following code snippet?

> f <- function(a, b) {
+       a^2
+ }
> f(2)

Which of the following functions extract a subset of rows from a data frame based on logical conditions?

Which of the following statements gives the sampling interval?

Which of the following are commonly used for statistical analysis?

Which of the following sorts a data frame by the order of the elements in column B?

In a simple linear regression model (with one independent variable), if we change the input variable by 5 units, how much will the output variable change?