Math DS 7.4.1.2
4. The scores on a math exam were 92, 87, 84, 80, and 77. If the score of 84 is removed from the data set, how much higher/lower will the mean be than if the score is included?
A. 84 points lower
B. 4 points lower
C. 4 points higher
D. No change (0 point change)
5. Jessica and Candace each shoot four rounds of golf. Jessica's scores are 96, 94, 90, and 88. Candace's scores are 94, 90, 86, and 80. If they each remove their highest score and take the median of the other three, which of the following statements is true?
A. Candace's median is 4 points higher
B. Candace's median is 4 points lower
C. Jessica's median is 8 points higher
D. There is no change in the two medians
6. Jamal plays five games of bowling. His scores are 184, 152, 132, 128, and 118. If Jamal takes away the two lowest scores, what is the median of the remaining data set?
A. 118
B. 132
C. 152
D. 156
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