Dear all
I would be most grateful if you could point me to any valulable resources which would assist me in justifying to a student why they should believe in 5% significance levels and confidence intervals. It is one thing to know how to interpret or derive them but quite another to know, for example, what the justification is for combining the individual parameters in the way that we do when calcuating a confidence interval. Ideally, I would welcome web-based resources but printed materials would also be of interest. Perhaps a little history lesson is required here but as the student lacks confidence and motivation, this option needs to be made as appealing as possible!
Best wishes
Margaret
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