Which of the following statements is true about the null hypothesis?
کالعدم مفروضہ کے بارے میں مندرجہ ذیل میں سے کون سا بیان درست ہے؟
- Any wrong decision related to the null hypothesis results in two types of errors
- Any wrong decision related to the null hypothesis results in one type of error
- Any wrong decision related to the null hypothesis results in four types of errors
- Any wrong decision related to the null hypothesis results in three types of errors
Explanation
When testing a null hypothesis, there are two types of errors that can occur:
- Type I error (α-error): Rejecting the null hypothesis when it is actually true (false positive).
- Type II error (β-error): Failing to reject the null hypothesis when it is actually false (false negative).
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