Question: Cassandra isn't sure about the difference between standard deviation and variance. What would you tell Cassandra? Question 12 options: a) standard deviation is for a

Cassandra isn't sure about the difference between standard deviation and variance. What would you tell Cassandra? Question 12 options: a) standard deviation is for a population, variance is for samples b) standard deviation is for samples, variance is for a population c) standard deviation is the square root of variance d) standard deviation is the square of variance

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