We will build the simple linear regression model using the `lm`

function with its useful arguments.

- Create a simple linear regression model for
`CPU_Time`

as a function of`No_of_IO`

by keying in`IO_lm <- lm(CPU_Time ~ No_of_IO, data=IO_Time)`

. - Verify that
`IO_lm`

is of the`lm`

class with`class(IO_lm)`

. - Find the details of the fitted regression model using the
`summary`

function:`summary(IO_lm)`

.The output is given in the following screenshot:

The first question you should ask yourself is, "Is the model significant overall?". The answer is provided ...

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