Question
The Maintenance and Welfare of Parents and Senior
Citizens Act was enacted in which of the following year?Solution
As per the 2011 Census, citizens over the age of 60 years comprise 8.6% of India’s population, and their share of the population is projected to grow to 21% by 2050. The Maintenance and Welfare of Parents and Senior Citizens Act, 2007 was enacted to provide financial security, welfare, and protection for senior citizens. It requires children to provide maintenance for their parents, and the government to provide old age homes and ensure medical care for senior citizens. It sets up Administrative Tribunals and Appellate Tribunals to ensure maintenance.
If the sum of lower and upper qualities is 6 and quartile deviation is 1.5, then the value of coefficient of quartile deviation is
28 If r ₁₂ = +0.80, r13 = -0.40 and r23 = -0.56, then the square of multiple correlation coefficient (correct to four decimal places) R2...

Following two statements are related to regression coefficient
(I) Independent of the change of origin
(II) Independent of the change of scale
For the variables X, Y and Z, rXY = 0.80, rXZ = 0.64, rY Z = 0.79 , then square of multiple correlation coefficient R2 X.Y Z is:
The second quartile for the following data 38, 39, 40, 52, 59, 67, 73, 77, 149, 248 is:
If X and Y represent waiting time and service time of customers in shopping mall, have joint destiny f(x, y) = kx; 0 ≤ y ≤ x ≤ 1, then the value ...
The curve obtained by joining the points, whose x-coordinates are the upper limits of the class interval and y-coordinates are corresponding cumulative...
If the odds in favour of any random event A are 5 : 6, then the odds against the event are:
Which one is not basis of classification of data.