Textbook ExpertVerified Tutor
8 Nov 2021
Given information
Given that the mean age for all Foothill college students for a recent Fall term was 33.2, the population standard deviation has been pretty consistent at 15.
Twenty-five Winter students were randomly selected and the sample mean age was 30.4. We are interested in the true mean age for Winter Foothill College students.
Step-by-step explanation
Step 1.
In the given information, it is mentioned that we are interested in the true mean age for Winter Foothill College students and the sample of 25 students were randomly selected.
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