The variable x$1$ contains three categories ranging from $$Poor$$ to $$Good$.$ Convert the category names into category scores into x$2($i$.$e$.,1=$Poor$,2=$OK$,$ and $3=$Good$).$ How many observations have a category score of $1?$

x$1$ x$2$

OK

Good

Good

Poor

OK

Good

Multiple Choice

$0$

$1$

$2$

$3$