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10 questions from this quiz
To compare datasets with different means
z=x−xˉsz = \frac{x - \bar{x}}{s}z=sx−xˉ
How many SDs it is from the mean
Race times in swimming events
z=−3z = -3z=−3
The value is above the mean
z=2z = 2z=2
Maths with higher z-score
Like comparing apples to oranges
3 SDs below mean (faster than average)
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