7) A student group maintains that the average student must travel for at least 2

Question

7)

A student group maintains that the average student must travel for at least 25 minutes in order to reach college each day. The college admissions office obtained a random sample of 36 one-way travel times from students. The sample had a mean of 19.4 minutes. Assume that the population standard deviation is 9.6 minutes. Does the admissions office have sufficient evidence to reject the students's claim? The level of significance for this test is 0.05.

The rejection region will be located

a) In the right tail

b) In the left tail

c) In both tails

d) In the middle of the distribution

Explanation / Answer

Answer: b) In the left tail, since the alternative hypothesis is of less than type, where as the null hypothesis is of greater than or equality type.

Related Questions

Navigate

• Browse (All)
• Browse 7
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.