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Nadiya’s statistics class had their first quiz. She collected a sample of scores from 8 random...

Nadiya’s statistics class had their first quiz. She collected a sample of scores from 8 random classmates. The scores she collected are
7, 8, 8, 10, 11, 11, 12, 12
What is the mean score?
What is the range of scores?
What is the median score?
What are the variance and standard deviation of the scores?

Math   Statistics-And-Probability   
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