Mathematics, 27.04.2021 14:40 Vishal123180
The commencement coordinators announced to the Chancellor that students request on average 4 tickets to the graduation ceremonies. It is known from previous years that the standard deviation is 1.2. They take a sample of 200 students and find that the average is actually 4.15. Do a test to determine if there is evidence that the average number of tickets requested is not four at a five percent level of significance. Is the test statistic for this test Z or t
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