Give the null and alternative hypotheses which will be used

Reference no: EM131939190

An airline is experiencing a median delay in arrival of 27 minutes and introduces new measures in an effort to make improvements. After the measures have been in effect for a month, a random sample will be taken of arrival times and the median test used to evaluate the effectiveness of the changes.

a. Give the null and alternative hypotheses which will be used.

b. For an a as near 0.05 as possible, what will be the region of rejection if the number of flights in the random sample is n = 25? n = 50? n = 100?

Reference no: EM131939190

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