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Question

What does the ‘pch’ option to par() control?

a.

the size of the plotting symbol in a scatterplot

b.

the line width in the base graphics system

c.

the orientation of the axis labels on the plot

d.

the plotting symbol/character in the base graphics system

Answer: (d).the plotting symbol/character in the base graphics system

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Q. What does the ‘pch’ option to par() control?