Recent content by parisl

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    Lower/Upper confidence limits for 5/9 point rating scales

    If you have a rating scale such as are used on product websites where users enter scores 1,2,3,4,5 (five values) and averages are (presumably) rounded to discrete intervals 1,1.5,2,2.5,3,3.5,4,4.5,5 (nine values), what is the best method for calculating lower and upper confidence limits around a...