PSD-04 · Mean, median, and weighted mean

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PSD-04 · Problem-Solving and Data Analysis

Mean, median, and weighted mean

One-variable data · Stage 1

Recognize the pattern

Mean is total divided by the number of values.

Useful rulemean=sum/n

Try it before reading the solution

Find the mean of 4, 6, and 11.

This teaching example is original and is not an official SAT question.

Reasoning

(4+6+11)/3 = 21/3 = 7.

Answer

7

Ready for adaptive practice

Practice questions remain in English, as on the SAT.

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