The Student Room Group

help ples

julie was investigating the relationship between the marks gained by the students in their GCSE mathamatics exam and the marks gained by the same students in an A-level mathamatics exams.
suggest a hypothesis julie could use.
Well im guessing the test statistic is related to the PMCC. So i guess it could be that theres a strong correlation between marks gained at gcse and marks gained at a level, so rho>0.9 or something along those lines, depending on the significance level. Not entirely sure tho so take that with a pinch of salt
Meaning H0: rho=0.9 then right an alternate hypothesis based on whatever data they have you (if they have given you data)
Reply 3
thank you for your help
Original post by Levi23317
Meaning H0: rho=0.9 then right an alternate hypothesis based on whatever data they have you (if they have given you data)

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