Question
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:ÂSolution
 Put the given values in formula to get the value of covariance. Cov =(¼)*(1/5)*(0.8014) = 16.028
Palash invest thrice the sum invested by Vicky and withdraws half of the sum after 5 months and again withdraws half of the remaining sum after 5 months...
Which of the ecological pyramids show both upright and inverted types? Â
Why was the region of Darfur of Sudan in news recently?
Which of the following is the implementing agency for the 'BHARAT' campaign?
Which of the following is the general formula of alkenes?
Which of the following financial ratios measures a company's efficiency in managing its inventory?
Which of the following option is incorrect about “Janani Suraksha Yojana”?
A train passes an electrical pole in 18 seconds and passes a platform 420 m long in 60 seconds. Find the length of the train.
What is the theme for World Tuberculosis Day in 2023?
The Prime Minister does not act as the chairman for which of the following committees?
