Suppose we wish to test H0 75 vs H1 75 Which of the foll

Suppose we wish to test H0: ? ? 75 vs. H1: ? > 75. Which of the following statements is correct if we conclude that the population mean has a value greater than 75 when its true value is 70?

a) We have made a correct decision.

b) None of the other choices is correct.

c) We have made a Type I error.

d) We have made a Type II error.

Solution

The option C is correct. A researcher has made a type one error by rejectng the null hypohesis when it is true. if we conclude that the population mean has a value greater than 75 when its true value is 70 them we have mede type one erroe.