题目

Before going outside in the morning, many of us check a window thermometer (温度计) for the temperature. This helps us decide what to wear.   36   We want our food to be a certain coldness in the refrigerator. We want it a certain hotness in the oven. If we don’t feel well, we use a thermometer to see if we have a fever. We keep our rooms a certain warmth in the winter and a certain coolness in the summer. Not all the thermometers use the same system to measure temperature. We use a system called the Fahrenheit scale. But most other countries use the Centigrade scale. Both syst[2014·天津模拟]某校对全校1600名男女学生的视力状况进行调查，现用分层抽样的方法抽取一个容量为200的样本，已知女生比男生少抽10人，则该校的女生人数应该为________．