script.R
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# Replace the `???` by the correct values
plot
(
x
=
??? ,
y
=
???,
pch
=
20
,
cex
=
1
,
col
=
"Steelblue"
,
xlab
=
expression
(
D
[
i
])
,
ylab
=
"Test Score"
,
main
=
"Dummy Regression"
)
# add the regression line
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
R Console
1
>
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX