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Certified Associate Developer for Apache Spark Exam - Question 153


Which of the following operations calculates the simple average of a group of values, like a column?

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Correct Answer: B

The operation that calculates the simple average of a group of values, like a column, is typically referred to as mean(). Mean is a statistical term that denotes the arithmetic average of a set of numbers, calculated by adding all the values together and then dividing by the number of values.

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Sowwy1Option: B
Apr 10, 2024

B. mean()