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Probability and Statistics, WGU C955 EXAM|complete study guide with updated answers.|newest 2025
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april 2025

2024/2025

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Measures of center - CORRECT ANSWERS️️Median, the mean (and mode) Measures of spread - CORRECT ANSWERS️️Range, IQR & standard deviation Standard Deviation Rule - CORRECT ANSWERS️️68% of the data are within 1 standard deviation, 95% are within 2, 99.7 are within 3 standard deviations from the mean. For skewed data, use these for center and spread - CORRECT ANSWERS️️In this situation, we use median (for center) & IQR (for spread) Explanatory variable - CORRECT ANSW...
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