Given that the mean of a data set is 25, and the standard deviation is 5, what is the Z-score of 15?
1 answer:
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Answer:
Step-by-step explanation:
x²-5x=12
x²-5x+(\frac{-5}{2})²=12+(frac{-5}{2})²
Answer:
Step-by-step explanation:
x²-5x=12
x²-5x+(\frac{-5}{2})²=12+(frac{-5}{2})²