Dhritikesh Chakrabarty

10 Questions 378 Answers 0 Followers

Questions related from Dhritikesh Chakrabarty

Do the observations on (X , Y) follow the same linear model which is followed by the variables X & Y ?

We have two variables X and Y following the linear model Y = a + bX where a & b are the parameters. We have collected the pairs of numerical observations...

22 November 2018 7,210 17 View

Is it possible to determine the actual values of the parameters, from a set of observations on (X , Y), following linear model ?

Suppose, we have the pairs of numerical observations namely (X1 , Y1) , (X2 , Y2) , (X3 , Y3) , ................... , (Xn , Yn) on the variables X and Y. Here the observations follow the...

04 November 2018 8,291 18 View

Is the existing evaluation process of Ph.D. thesis by the examiners is a vague one ?

One of my research students (Ph.D. research) had submitted his Ph.D. thesis for the award of Ph.D. degree. One of the two thesis examiners / evaluators assigned by the university had strongly...

13 October 2018 994 21 View

Does there exist test statistic for testing of the significance of difference between the skewness of two samples ?

I have two independent random samples . The distribution of data in each of the two samples may not be symmetric. Moreover, the asymmetry may not be same in the two data sets of the two...

12 September 2018 7,714 6 View

Is there necessity of framing of a definition of statistical equality (i.e. equality in statistical sense) ?

Suppose there are 5 samples having different means (sample means). Statistical testing of hypothesis may lead to the result that the 5 sample means are equal. It is clear that the 5 sample means...

23 August 2018 1,701 5 View

Is standard deviation a proper measure of dispersion of data ?

Standard deviation has become the most widely used measure of dispersion of data. A measure of dispersion can, in the true sense, be regarded as the proper measure of dispersion if the measure...

23 August 2018 8,830 20 View

Are the forms of sampling distributions of measures of skewness and kurtosis of random sample from a normal probability distribution available ?

The form of the sampling distribution of sample mean of random sample from a normal probability distribution is known. Similarly, the form of the sampling distribution of sample variance of random...

22 August 2018 8,903 3 View

If correlation coefficient between two variables is zero then what is the possible relationship between them ?

If two variables are independent then the value of Kearl Pearson's correlation between them is found to be zero. Conversely, if the value of Kearl Pearson's correlation between two variables is...

17 August 2018 4,513 26 View

Does less citation of a paper indicate that the quality of innovation in the paper is pour?

Suppose, the citation of a paper published in a journal is very less or the paper has no citation. This implies that the researchers in the respective area either have not known the paper...

22 July 2018 5,138 21 View

Is a rearch paper, published in so called low category jounal, a pour one?

Due to some unavoidable reasons, some times some research papers have been published in journals which are of so called low quality. Does it mean that such papers are pour with respect to the quality?

20 July 2018 6,164 18 View