For two correlated variables x and y, if coefficient of correlation between x and y is 0.8014, variance of x and y are 16 and 25 respectively. Then the covariance between x and y is:
Put the given values in formula to get the value of covariance. Cov =(¼)*(1/5)*(0.8014) = 16.028
Select the number from among the given options that can replace the question mark (?) in the following series.
96, 85, 76, 69, ?
In the following question below are given some statements followed by some conclusions based on those statements. Taking the given statements to be tru...
Select the combination of mathematical symbols from among the given options that when sequentially placed in the blank boxes will result in a balanced e...
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
11 * 4 * 3 * 3 * 7 * 8
What will come in place of ‘?’ in the following equation, if ‘+’ and ‘–‘ are interchanged and ‘×’ and ‘÷’ are interchanged?
...What will come in place of ‘?’ in the following equation, if ‘+’ and ‘–‘ are interchanged and ‘×’ and ‘÷’ are interchanged?
...Select the option that is related to the third number in the same way as the second number is related to the first number.
9 : 90 : : 15 :?
In the following question, the statement is followed by two conclusions. Which of the two conclusions is/are true?
Statement: M < K > I < J > H =...
Statement:
I. Cases of obesity, diabetes and other similar diseases are increasing.
II. Fast food also has very few antioxidants and les...
In the following question, select the missing number from the given series.
85, 84, 92, 83, 147, ?
