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(Solved): D Ot 10 ID: MST.HT.TM.02.00406 (2 Points) Each Year, Al Final Year Students Take A Mathematics Exam. ...


D ot 10 ID: MST.HT.TM.02.00406 (2 points) Each year, al final year students take a mathematics exam. It is hypothesised that
D ot 10 ID: MST.HT.TM.02.00406 (2 points) Each year, al final year students take a mathematics exam. It is hypothesised that the population mean score for this festis 115. It is known that the population standard deviation of test scores is 17 A random sample of 21 students take the exam. The mean score for this group is 103 a) Calculate the 90% Corvidence interval for the population mean test score. Give your answers to 2 decimal places b) Ma c ance level 005, the hypothesis that the population scoris 115 is

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