The data file Exchange Rate shows an index of the value of the U.S. dollar against trading partners' currencies over 12 consecutive months. Use the runs test to test this series for randomness.
Answer to relevant QuestionsThe data file Inventory Sales shows the inventory sales ratio for manufacturing and trade in the United States over a period of 12 years. Test this series for randomness using the runs test. A manufacturer of a certain product has three factories located across the United States. There are three major causes of defects in this product, which we will identify as A, B, and C. During a recent week the reported ...A campus administrator has found that 60% of all students view courses as very useful, 20%, as somewhat useful, and 20%, as worthless. Of a random sample of 100 students taking business courses, 68 found the course in ...Should large retailers offer banking services? Small community banks may be concerned about their future if more retailers enter the world of banking. Suppose that a market research company conducted a national survey for ...Of a random sample of 100 college students, 35 expected to achieve a higher standard of living than their parents, 43 expected a lower standard of living, and 22 expected about the same standard of living as their parents. ...
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