题目
某地区人体测量的平均值为1650mm,标准差为57.1mm,求该地区第5、80以及第90百分位的尺寸数据?A. X5＝1503.42mm X80＝1698.07mm X90＝1711.78mmB. X5＝1401.42mm X80＝1697.08mm X90＝1712.63mmC. X5＝1503.42mm X80＝1697.08mm X90＝1711.78mmD. X5＝1401.42mm X80＝1711.78mm X90＝1698.07mm
某地区人体测量的平均值为1650mm,标准差为57.1mm,求该地区第5、80以及第90百分位的尺寸数据?
A. X5＝1503.42mm X80＝1698.07mm X90＝1711.78mm
B. X5＝1401.42mm X80＝1697.08mm X90＝1712.63mm
C. X5＝1503.42mm X80＝1697.08mm X90＝1711.78mm
D. X5＝1401.42mm X80＝1711.78mm X90＝1698.07mm
题目解答
答案
A. X5＝1503.42mm X80＝1698.07mm X90＝1711.78mm