问题
判断题
标准差系数是标准差与平均数之比,它说明了单位标准差下的平均水平。
答案
参考答案:错
标准差系数是标准差与平均数之比,它说明了单位标准差下的平均水平。
参考答案:错
Many people believe that life has smiled to Yang Mi:at the age of 4, she got her first TV play role;at 16, she became a model for a fashion magazine;at 18, she went to her dream college——Beijing Film Academy. Last year, the 24-year-old actress played bad girl Luo Qingchuan in the time-travelling TV play, Palace. The play became a big success and made Yang very famous. Could she be any luckier? Yang doesn’t think luck had anything to do with her success. “Every chance is gained(获得)from the efforts I’ve made, ”said Yang. People now think she’s very hard-working. She still remembers the time when people gave her the cold eyes. Some treated her with little respect. They didn’t want to help her in her time of need. “I hav to thank them because they gave me the drive to prove myself, ”she said. That’s why she is glad to help others when they are in need. This year, Yang became the ambassador(大使)for the Climate Group. She call son people to join the Million-Miracleproject and plant trees on China’s dryland. Together we’ll fight the bad weather! 阅读上面短文,根据短文内容完成下面表格中的有关信息。
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