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CQ1 Recall from lecture that a z score can be used to describe how many...

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CQ1 Recall from lecture that a z score can be used to describe how many standard deviations an observed value is from the mean this sort of description is usually reserved for cases when the distribution of our attribute is fairly symmetrical We also mentioned that z scores are often used in calculations Type the equation in terms of z scores we can use to calculate the correlation coefficient r

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