11 Questions 40 Answers 0 Followers
Questions related from Dhruba Das
Actually I know about the qualitative and quantitative data but in case, if somebody ask what is the form of data and their structures then what will be the answer for that.
10 October 2014 5,280 8 View
Suppose X ~ N(µ, σ^2), then we may have found that the sample mean is unbiased and also the MVUE for population mean µ and hence COV(sample mean, U_0)=0, where U_0 means E(U_0)=0. Now If I...
05 May 2014 5,799 12 View
If the sample size is less then we can perform t- test, but for large sample what test I have to perform?
05 May 2014 3,017 12 View
In statistical inference our aim is to study the population characteristic that is the parameter. But if it is said that 'T' is an estimator of the function 'Ѱ(ϴ)' (which is of interest) then what...
04 April 2014 10,050 7 View
Uging Lagranges formula it can be obtain, but how to proceed using the central difference formula.
04 April 2014 5,799 9 View
Generally, it happens that when sample size increases, the statistics will give better results about the parameters. When the sample size=population size, then sample statistic=population...
03 March 2014 4,569 20 View
If so, which one is the dependent and which one is independent? If x+y= 1 => x = 1- y, x, y belongs to R, then y is independent and x is dependent. But in case of x > y, how we have to define the...
03 March 2014 5,300 11 View
In statistics when we go for estimating parameters, sometimes least square estimator is used and sometimes m. l. e. is used. Which one is better and when it can be applied?
02 February 2014 8,012 71 View
There are two types of equations, one is difference equation and the other one is differential equation. The difference equation, which is we get in the calculus of finite differences. Actually...
02 February 2014 1,186 6 View
I have not found in any book by what procedure the value of zero factorial occurs. If there is any mathematical proof in any book please suggest it.
01 January 2014 2,708 32 View
In books it has been written that these two terms are same. If so, why is the term 'uniform' used in one and not the other?
11 November 2013 890 2 View