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IQ: Scores on a certain IQ test are known to have a mean of 100. A random sample of 57 students attend a series of coaching classes before taking the test. Let u be the population mean IQ score that would occur if every student took the coaching classes. The classes are successful if u> 100. A test is made of the hypotheses HO : u: 100 versus H1 : u> 100. Consider three possible conclusions: (i) The classes are successful. (ii) The classes are not successful. (iii) The classes might not be successful. Part: 0 / 2 Part 1 of2 Assume that the classes are successful but the conclusion is reached that the classes might not be successful. Which type of error is this? This is a (Choose one) V error