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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?
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.
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:
In an election, there were only two candidates. The winning candidate got 48% of the total votes. His opponent got 6800 votes which was 34% of the total votes. Some of the votes were invalid. The winning margin of the candidate who won the election and the number of invalid votes respectively are:
In an election there are two candidates A and B. Total 22,000 voters were supposed to cast their votes on the election day but later it was known that 15% voters have been absent. B won the election but it was revealed that 33.33% of his votes were invalid due to which after removing the count of invalid vote, votes of B and A are equal. Calculate the difference between the votes of A and B initially.
A village conducted an election for the next head of Panchayat in which A and B participated. 20% of voters did not vote and few of the votes got the invalid tag. The winner gets 70% of the valid votes and wins by 1000 votes. Find the number of invalid votes if the total number of registered voters is 5000.
In an election in a constituency of Maharashtra, only two candidates participated where one of them got 55% of the total valid votes and 20% votes were invalid. If the number of invalid votes was 1100. How many valid votes did the other person get?
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:
Assume that a program creates and initializes a Short Integer variable named age and a pointer named agePtr, to which it assigns the address of the age variable. Which of the following statements will assign the number 21 to the age variable?