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Question
A group of middle school boys have a mean height of 167 cm and vary from 164 cm to 169 cm. A group of high school boys have a mean height of 180 cm and vary from 175 cm to 183 cm. Which statement BEST compares the two groups of boys?
Responses
A The middle school boys vary in height more than the high school boys.The middle school boys vary in height more than the high school boys.
B Half of the high school boys are between 181 cm and 183 cm in height.Half of the high school boys are between 181 cm and 183 cm in height.
C On average, the middle school boys are taller.On average, the middle school boys are taller.
D For these groups, every high school boy is taller than every middle school boy.