Which of the following can be used to create the most common graph types?

qplot
quickplot
plot
all of the mentioned

The correct answer is D. all of the mentioned.

qplot, quickplot, and plot are all functions in R that can be used to create graphs. qplot is a more recent function that is designed to be more flexible and easier to use than quickplot. However, quickplot is still a useful function for creating simple graphs. plot is the most basic function for creating graphs in R, and it can be used to create a variety of different graph types.

Here is an example of how to use qplot to create a line graph:

r
qplot(x, y, data = mydata)

This will create a line graph with the x-axis variable x and the y-axis variable y. The data will be taken from the data frame mydata.

Here is an example of how to use quickplot to create a bar graph:

r
quickplot(x, y, data = mydata, type = "bar")

This will create a bar graph with the x-axis variable x and the y-axis variable y. The data will be taken from the data frame mydata, and the graph will be of type “bar”.

Here is an example of how to use plot to create a scatter plot:

r
plot(x, y, data = mydata)

This will create a scatter plot with the x-axis variable x and the y-axis variable y. The data will be taken from the data frame mydata.

As you can see, all of the mentioned functions can be used to create a variety of different graph types. The best function to use will depend on the specific graph you want to create.

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