One-Variable Data: Distributions and Measures of Center and Spread

SAT Math· difficulty 2/5

The mean of 4 numbers is 25. What is their sum?

  • A

    25

  • B

    50

  • C

    125

  • D

    100

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Explanation

Sum = mean ×\times count = 25×4=10025 \times 4 = 100.

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