gwd19-30

[吳]

19-30According to the chart shown, which of the following is closest to the median annual number of shipments of manufactured homes in the United States for the years from 1990 to 2000, inclusive?


A. 250,000
B. 280,000
C. 310,000
D. 325,000
E. 340,000

C
我覺得是D阿

[scujean]

我取的數字190,180,210,250,310,320,360,350,370,340,250
中位數剛好在310

[faireform]

請問無準確數字而用假設性取的數字有代表性嗎?那是否假設有偏差..就算不出解??好像用"假設"的求解不太像ETS作風..有比較有邏輯的解法嗎?? 謝謝

[FrankChang]

題目給的最確切的資訊就是長條圖了,1994年的量剛好是第6高(中位數),
三十萬出頭又不到30k~40k的1/4,我也是觀察後就選C了,沒有模糊的地方.