Question: In the checksums, you validated that the average SAT score for all of the records is 1,059.07. When we work with the data more rigorously,
In the checksums, you validated that the average SAT score for all of the records is 1,059.07. When we work with the data more rigorously, several tests will require us to transform NULL or blank values. If you were to transform the NULL SAT values into 0, what would happen to the average (would it stay the same, decrease, or increase)?
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Impact of Replacing NULL SAT Values with 0 on the Average Given Original average SAT score 105907 NU... View full answer
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