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by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?
数学英语
[00:21.86]Guardian On The Road [00:27.14]路边天使 [00:39.69]We drove home then finding it easy to find the freeway [00:43.82]and talking about this strange happening all the way home. [00:47.68]Amazingly not even thinking of our situation of fuel. [0
英语灵异故事
[00:21.86]Guardian On The Road [00:27.13]路边天使 [00:39.85]This brought back the fear in me [00:42.51]and I was sure she was going to pull a stunt. [00:46.52]I watched as she walked up toward the door, [00:50.03]the fog still fairly thick and I was
英语灵异故事
[00:21.89]Guardian On The Road [00:27.17]路边天使 [00:38.17]The woman got into the front seat with mom [00:41.79]and I just watched intently, waiting and waiting. [00:46.62]They were jabbering to each other a lot [00:49.32]and I was starting to get i
英语灵异故事
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.
Scientific American(十)月
Iran's electoral watchdog, the Guardian Council, says has seen no signs of fraud in 10 days of investigations, rejecting claims by three defeated presidential candidates of vote rigging. At the same time, a hardline cleric told Friday's prayer gathe
VOA标准英语2009年(六月)