We run an exam marking company and need help creating a statistical model for evaluating the 'inter-rater reliability'- between teachers that grade essays.
By this I mean, if several teachers grade the same essay, how do we work out how reliable the marking is?
This includes working out the mean, standard deviation, and "cronbach's Alpha". This will help us work out how reliable each teacher's marking is.
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We need to turn this into graphs and visualisation as per those attached.
16 freelancers are bidding on average £170 for this job
Hi, I am Ibrahim, and I am a data scientist, I have both experience of more than fifteen years and completed more 150+ projects in Statistics. would love to discuss the rest in chat. Regards, Ibrahim Anjum
I am in my native place to work on it and send me the money as loan for the first time I will be there soon as possible and I am not able to come to my home town hall