Mathematical Formula Quiz
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Mathematical Formula Quiz

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@MarvelousFreedom

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Questions and Answers

What is the formula for X?

  • (X1-X2+X3+..+Xn) ÷ n (X1-X2-X3-. - Xn) ÷ n (X1 X2 X3*. * Xn) ÷ n (X1*X2*X3*. * Xn) + n
  • (X1+X2+X3+..+Xn) × n (X1-X2-X3-. - Xn) ÷ n (X1 X2 X3*. * Xn) ÷ n (X1*X2*X3*. * Xn) + n
  • (X1+X2+X3+..+Xn) ÷ n (X1-X2-X3-. - Xn) ÷ n (X1 X2 X3*. * Xn) ÷ n (X1*X2*X3*. * Xn) + n (correct)
  • (X1+X2+X3+..+Xn) ÷ n (X1-X2-X3-. - Xn) × n (X1 X2 X3*. * Xn) ÷ n (X1*X2*X3*. * Xn) + n

    • What is the correct representation of the product of all Xi's in the formula?

  • (X1*X2*X3*. * Xn) (correct)
  • (X1^2+X2^2+X3^2+. . . +Xn^2)
  • (X1/X2/X3*. * Xn)
  • (√(X1*X2*X3*. * Xn))

    • What does 'n' represent in the formula?

  • Number of data points (correct)
  • Standard deviation of the data points
  • Sum of all data points
  • Mean of the data points

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