对某量重复测量9次,得结果29.17 29.26 29.27 29.25 29.18 29.20 29.16 29.25 2...对某量重复测量9次,得结果29.17 29.26 29.27 29.25 29.18 29.20 29.16 29.25 29.23 计算其算术平均值和其标准偏差?
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![对某量重复测量9次,得结果29.17 29.26 29.27 29.25 29.18 29.20 29.16 29.25 2...对某量重复测量9次,得结果29.17 29.26 29.27 29.25 29.18 29.20 29.16 29.25 29.23 计算其算术平均值和其标准偏差?](/uploads/image/z/1674547-43-7.jpg?t=%E5%AF%B9%E6%9F%90%E9%87%8F%E9%87%8D%E5%A4%8D%E6%B5%8B%E9%87%8F%EF%BC%99%E6%AC%A1%2C%E5%BE%97%E7%BB%93%E6%9E%9C29.17+29.26+29.27+29.25+29.18+29.20+29.16+29.25+2...%E5%AF%B9%E6%9F%90%E9%87%8F%E9%87%8D%E5%A4%8D%E6%B5%8B%E9%87%8F%EF%BC%99%E6%AC%A1%2C%E5%BE%97%E7%BB%93%E6%9E%9C29.17+29.26+29.27+29.25+29.18+29.20+29.16+29.25+29.23+%E8%AE%A1%E7%AE%97%E5%85%B6%E7%AE%97%E6%9C%AF%E5%B9%B3%E5%9D%87%E5%80%BC%E5%92%8C%E5%85%B6%E6%A0%87%E5%87%86%E5%81%8F%E5%B7%AE%3F)
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