{"text_format":"3","workbook":"xls","n_sheets":1,"sheets":["Sheet1"],"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"Sheet1","index":0,"n_rows":15,"n_cols":3,"rows_kept":15,"flags":["formulas_cached_only"]}
[null,"次数","数据"]
[null,1,500.045]
[null,2,500.043]
[null,3,500.043]
[null,4,500.041]
[null,5,500.041]
[null,6,500.041]
[null,7,500.043]
[null,8,500.042]
[null,9,500.043]
[null,10,500.044]
["平均值",null,{"v":500.04259999999994,"d":"500.043"}]
["单次测量实验标准偏差",null,{"v":0.0013498971154256797,"d":"0.0013"}]
["算数平均值的实验标准偏差",null,0.0004268749491636363]
["实际测量次数",10]