题目
Which of the following is a Type I error?
选项
A.Rejecting a true null hypothesis
B.Rejecting a false null hypothesis
C.Failing to reject a false null hypothesis
答案
A
解析
： A is correct. The definition of a Type I error is when a true null hypothesis is rejected. ： A正确。 类型I错误的定义是：当原假设为真时，拒绝原假设。