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IQ Scores on a certain IQ test are known to have a mean of 100...

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IQ Scores on a certain IQ test are known to have a mean of 100 A random sample of 41 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 100 versus H 100 Consider three possible conclusions i The classes are successful ii The classes are not successful iii The classes might not be successful Part 1 of 2 Which of the three conclusions is best if Ho is rejected The best conclusion is i Part 1 2 Part 2 of 2 Assume that the classes are not successful Is it possible to make a Type I error Explain Choose one a type I error Choose one possible The classes are not successful when the null hypothesis is Espa 00

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