求一道死脑细胞的SAT数学题= =Plotted on the graph above are the results of a survey in which 17 office workers were asked how many hours a day they spent composing email and attending meetings.Each dot reflects one office worker.The median
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求一道死脑细胞的SAT数学题= =Plotted on the graph above are the results of a survey in which 17 office workers were asked how many hours a day they spent composing email and attending meetings.Each dot reflects one office worker.The median
求一道死脑细胞的SAT数学题= =
Plotted on the graph above are the results of a survey in which 17 office workers were asked how many hours a day they spent composing email and attending meetings.Each dot reflects one office worker.The median number of hours spent composing emails is how much less than then median number of hours spent attending meetings.
求一道死脑细胞的SAT数学题= =Plotted on the graph above are the results of a survey in which 17 office workers were asked how many hours a day they spent composing email and attending meetings.Each dot reflects one office worker.The median
(╯﹏╰)b...median是代表中位数的意思吧.中位数就是数列中,从小到大排列,最中间的数.横坐标是Email的：11111222223344455,17个人,最中间的应该是第9个,第9个数为2.
meeting的：11222233444455556,最中间的数为4.晕,应该是meeting的比email的多2
(58-43）/2=7.5