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The arithmetic mean of a distribution is 45. If the sum of frequencies were 20, what will be the product of sum of frequencies with the variable?

Q. The arithmetic mean of a distribution is 45. If the sum of frequencies were 20, what will be the product of sum of frequencies with the variable?

  1. 450
  2. 900
  3. 1050
  4. Can’t be determined

Answer: 900

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