The probability of concluding that an assignable variation exists when only random variation is present is:
A)Statistical shift
B)Specification variation
C)Control limit error
D)Type I error
E)Type II error

Question

Quizplus · Accepted Answer

Type I error is the probability of concluding that there is a significant difference or assignable cause when in fact there is only random variation present.

The Probability of Concluding That an Assignable Variation Exists When