Christopher looked at his quiz scores shown below for the first and
second semester of his algebra class.
semester 1: 78, 91, 88, 83, 94
semester 2: 91, 96, 80, 77, 88, 85, 92
which statement about christopher’s performance is correct?
(1) the interquartile range for semester 1 is greater than the
interquartile range for semester 2.
(2) the median score for semester 1 is greater than the median
score for semester 2.
(3) the mean score for semester 2 is greater than the mean score
for semester 1.
(4) the third quartile for semester 2 is greater than the third
quartile for semester 1.