Stuart Kovinsky wrote:I've been teaching the GMAT for 20+ years and I've neither seen nor heard of an actual GMAT question that requires you to know the values of a normal distribution. If anyone has seen one, I'd love to hear about it!
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the thing that values are normally distributed makes sense in GMAT, as this will indicate the validity of central tendency measures (mean, median, mode); the normal distribution with its statistical parameters sigma, z-score and confidence intervals is certainly beyond any quick timed exam - they are rather stats lab assignments solved by using Mini-tab or some other soft...
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