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Statement I The product of coefficient of correlation, standard deviation of variable 'X' and Standard deviation of variable 'Y' gives the measure of covariance between X and Y variables.
Statement II The product of coefficient of correlation between X and Y variables and the ratio between standard deviation of X variable to standard deviation of Y variable measures the slope of the regression line of X on Y variable.
To produce a component, any of the four processes can be adopted. Process A: Fixed cost = Rs. 20, Variable cost/piece = Rs. 4 Process B: Fixed cost = Rs. 50, Variable cost/piece = Rs. 3 Process C: Fixed cost = Rs. 60, Variable cost/piece = Rs. 2 Process D: Fixed cost = Rs. 70, Variable cost/piece = Rs. 1 Which of the following process is the most economical to produce 100 pieces in a batch?
In method of serial learning for an experiment relating to the effect of meaningfulness on the rate of learning, the rate of learning can be conceptualised as
1. dependent variable
2. independent variable
3. organimic variable
4. stimulus variable
Select the correct answer:
Read the following statements and mark your answer according to the given below.
1. For variable input APP = MPP in the first stage.
2. For variable input APP = MPP at the end of the 1st stage.
3. For variable input APP = MPP at the start of 2nd stage.
4. For variable input APP = MPP in the 2nd stage.
Which of the following is a built-in variable for awk?
Which of the following is not a built-in variable used by awk?
In a two variable (X and Y) regression analysis, the regression coefficients are bxy = 0.6 and byx = 0.8. If y is dependent variable and x is independent variable, what is the percentage of variations in Y explained by X?
Which of the following features best describe an independent variable in research ? A. It is the cause in the cause-effect relationship. B. It is the effect in the cause-effect relationship. C. It is the condition or characteristic which is manipulated in an experimental study. D. It is the variable which is placed under control. E. It is a kind of response variable. Choose the correct answer from the options given below:
A simple variable, also called as a ________ variable, is one that is unrelated to any other variable in memory.
A structure variable named address contains a member variable named strStreet. Which of the following statements assigns the string “Maple” to the member variable?