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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
American colleges are deciding whether to change how they investigate sexual assaults after a directive from Education Secretary Betsy DeVos. Last Friday, DeVos withdrew official guidance on how college and university officials deal with sexual assau
2017年VOA慢速英语(九)月
Three activist groups have sued the government over new guidelines on a U.S. law that protects against sexual violence at colleges and universities. The groups Democracy Forward, the National Womens Law Center, and the National Center for Youth Law b
2018年VOA慢速英语(二)月
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
Many Incidents of Sexual Assault at US Colleges Go Unreported More than half of college students did not report incidents of sexual assault because they did not think it was serious enough. Others said they were embarrassed or thought nothing would b
2016年VOA慢速英语(五)月
By Lisa Schlein Geneva 13 July 2007 The U.N. Children's Fund (UNICEF) says it is concerned about the large and growing number of children in Burundi who are victims of sexual violence. UNICEF says few cases are ever prosecuted and is calling for urge
2007年VOA标准英语（七月）