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प्रश्न
The variable whose value is influenced (or) is to be predicted is called
विकल्प
dependent variable
independent variable
regressor
explanatory variable
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उत्तर
dependent variable
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संबंधित प्रश्न
If the values of two variables move in same direction then the correlation is said to be
If r(X,Y) = 0 the variables X and Y are said to be
The correlation coefficient is
The variable which influences the values or is used for prediction is called
If two variables moves in decreasing direction then the correlation is
If r = – 1, then correlation between the variables
The coefficient of correlation describes
Calculate the coefficient of correlation from the following data:
∑X = 50, ∑Y = – 30, ∑X2 = 290, ∑Y2 = 300, ∑XY = – 115, N = 10
A measure of the strength of the linear relationship that exists between two variables is called:
If both variables X and Y increase or decrease simultaneously, then the coefficient of correlation will be:
