[計量] 求助一題印網JJ
8. What is the mean of 5 integers (closest to the nearest integer) if the
median is 7, mode is 4 and the arithmetic mean of the largest and smallest
integer in the series is 20?
A. 7
B. 9
C. 11
D. 13
E. 15
題目標紅的看不懂 orz
有高手可以解答一下嗎? 謝謝
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→
02/20 16:04, , 1F
02/20 16:04, 1F
→
02/20 16:51, , 2F
02/20 16:51, 2F
→
02/20 16:51, , 3F
02/20 16:51, 3F
推
02/20 16:59, , 4F
02/20 16:59, 4F
→
02/20 18:36, , 5F
02/20 18:36, 5F
→
02/20 19:23, , 6F
02/20 19:23, 6F
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