The students in a statistics class participated in an the value of a particul po

Question

The students in a statistics class participated in an the value of a particul population meter. An observational study was conducted, and then the results of the study analyzed by means of a significance test involving the nu hypothesis the analysis was completed, the teacher, who knew the true value of the parameter, announced (correctly) that a Type II error had occurred. Which of the following can NOT be concluded from the information given? (A) The study was conducted poorly. conclusion. (B) The significance test failed to reach a correct (C) Ho was false. (D) Ho was not rejected. (E) A Type I error did not occur.

Explanation / Answer

1.)  Type I error, is the probability of rejecting H0 when it is in fact true. The probability of committing a Type II error, is the probability of accepting H0 when it is false. Thus A, C and D being correct B is the only option left. So, the answer is B (also because no correct solution has been reached).

2.) A experiment can not be conducted without a presence of a control group, hence this is a observation and the answer is c

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