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Questions and Answers
What is the formula for X?
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?
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?
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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