. View data on buses in the Buena School District. Prepare a report on the cost of maintenance last month. Answer the following questions in that report: a) Around which values do the data tend to accumulate? Specifically, what was the average maintenance cost last month? What is the medium cost? Is it a more representative measure than others of the typical cost? B) What is the range of maintenance costs? What is the standard deviation? Between which values is located about 95% of these costs