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1.

The mean of the data set of 1000 items is 5. From each item 3 is subtracted and then each number is multiplied by 2. The new mean will be-

  • A. 4
  • B. 4
  • C. 4
  • D. 4

Answer: Option A

Explanation:

The answer is =(5 - 3) × 2=4

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