Answer:
C) They have the same IQR
Explanation:
(for first chapter test)
75, 85, 85, 92, 92, 95, 95, 100, 100, 100
Median: 93.5
lower quartile: 85
upper quartile: 100
interquartile range: 100 - 85 = 15
(for final exam)
60, 65, 78, 78, 82, 88, 91, 93, 95, 98
Median: 85
lower quartile: 78
upper quartile: 93
interquartile range: 93 - 78 = 15