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6 August, 12:37

The average of 100 measurements is 23 and the average of 50 additional measurements is 27.

Which quantity is larger?

A. the average of 150 measurements

B. 25

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Answers (1)
  1. 6 August, 13:30
    0
    Total value of 100 measurements

    100 * 23

    2300

    Total value of additional 50 measurements

    50 * 27

    1350

    Total value of 150 measurements

    2300 + 1350

    3650

    Average of 150 measurements

    3650 / 150

    24.3

    25 > 24.3

    Answer is B
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