Please help!! A pitcher for a professional baseball team allows runs in the first nine games he starts this season. Let A be the set of the numbers allowed by the pitcher in his first nine starts.

A={1,4,2,2,3,1,1,2,1}

In the tenth game he starts, he allows 9 runs. Let B represent the set of the number of runs allowed in all ten games he has started. Select ALL true statements.

a. The median of A is the same as the median of B.
b. The interquartile range of B is greater than the interquartile range of A.
c. The interquartile range of A is less than the interquartile range of B.
d. Including the runs slowed in the tenth game does not cause the spread of the data to change.
e. The median of B is 1 run more than the median of A.