a student group maintains that the average student must travel for at least 25 m

Question

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 . does the admissions office have sufficient evidence to reject the student's claim? the level of significance for this test is o.05.
the test statistic to be usef for this hypothesis test is
a- t-test statistic
b- p test statistic
c- the standard normal test statistic, z
d- chi-squared test statistic

Explanation / Answer

AS THE N = 36>30 THEREFORE IT WILL BE TREATED AS NORMMAL AND THE BEST WAY TO TEST THE HYPOTHESIS IS TO GO FOR THE THE STANDARD NORMAL TEST STATIC WITH Z TABLE AS THE SIZE IS GREATER THEN 30.

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