3) The owner of Get-A-Away Travel has recently surveyed a ramdom sample of 250 c

Question

3)
The owner of Get-A-Away Travel has recently surveyed a ramdom sample of 250 customers of the agency. He would like to determine whether or not the mean age of the agency customers is over 25. If so, he plans to alter the destination of the special cruises and tours. If not, no changes will be made. The appropiate hypotheses are

If he concludes the mean age is over 25 when it is not, he makes a ____________ error. If he concludes the mean age is not over 25 when it is, he makes a _______ error.
a) Type I; Type II
b) Type II; Type II
c) Type I; Type I
d) Type II; Type I

Explanation / Answer

Note that a Type I error is incorrectly rejecting Ho.

A type II error is incorrectly failing to reject Ho.

Hence,

OPTION A: TYPE I, TYPE II. [ANSWER]

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