A project team planned to conduct a transportation survey over the course a 5-da

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试卷: LEED v4 OM模拟题C卷英文[查看]
A project team planned to conduct a transportation survey over the course a 5-day period. The building has 1,000 regular occupants and visitors and the project team collected their required sample size of 286 by the end of the second day. What statement is true about the survey?
项目团队计划实施为期5天的交通调查。该建筑有1000名常规用户和访客，项目团队共收集了286份样本。关于这次调查，以下哪个陈述是正确的？

A: The project team can end the survey early if at least 50% of the regular occupants participate 若已有50%以上的常规用户参与调查，项目团队可以提早终止调查
B: The project team can end the survey early and extrapolate the remaining data 项目团队可以提早结束调查，并预估其余数据
C: The project team can end the survey early if they get double the number of required respondents 项目团队可以提早结束调查如果他们已经取得了要求反馈量的两倍
D: The project team must continue the survey through the 5-day period 项目团队必须继续执行这5天的调查

参考答案: D

本题解释:
选择D，本题解释If the minimum sample sizes are achieved before the end of the survey time period, the survey must continue through the end of the set time period. For regular building occupants this can be a five or seven day period.