Chetna Chauhan

6 Questions 2 Answers 0 Followers

Questions related from Chetna Chauhan

Why do we need non-parametric tests at all, when we have central limit theorem?

The normality assumption is critical in statistics for parametric hypothesis testing of the mean, such as the t-test. As a result, we may believe that these tests are invalid when the population...

21 March 2023 5,844 14 View

Can I say that predictive analytics falls under the broader realm of inferential statistics? or are they different?

Is predictive analytics a subset of inferential statistics or is it a different concept?

13 January 2023 2,849 1 View

How to define and operationalize last mile logistics?

I am finding it difficult to operationalize/ define last-mile logistics. As far as I understand there are several last-mile fulfilment options (conventional shopping, locker station etc.). I...

31 August 2022 7,340 3 View

Can someone tell me the difference between 'factor analysis using PCF' and PCA?

I want to understand the differences between FA and PCA clearly. I am more confused by what Stata is doing with the "principal-components factors" option in the "factor" command. I get different...

23 August 2022 7,527 3 View

How can we test for endogeneity problem in cross-sectional data?

How can we test for endogeneity problem in cross-sectional data? Are there any tests? I don't know much about econometrics.

03 July 2022 1,077 11 View

How did the fall of berlin wall impact world trade?

Prior to the fall of the Wall, the world was divided into two economic blocs - the Western capitalist bloc led by the United States and the Eastern communist bloc led by the Soviet Union. It is...

01 January 1970 8,081 5 View