9 Questions 8 Answers 0 Followers
Questions related from Ahmed Alsaber
Hello every one, I am doing a research paper, And I want to make sure that if X is a sum of a*CosΘ and Y is the Sum of a*SinΘ my question, is the expected of E(sum(acosΘi))*E(sum(asinΘi))=0...
11 November 2018 7,001 1 View
Hello, Am trying to set up ARIMA model for the attached graph, can you please advice me with best setting I can use is it ARIMA (1,0,0) or any other option? Thanks
03 March 2018 5,278 1 View
Am trying to find the relation between two nominal variables, I did chi-square test for measuring the independence between two variables, but, one of my variables has a massive frequency in one of...
08 August 2017 9,865 4 View
I found someone say: "There are few consequences associated with a violation of the normality assumption, as it does not contribute to bias or inefficiency in regression models. It is only...
05 May 2017 3,418 16 View
I have a population of 552, the sample size is 227. the sample size is large compared to the population, with the non-response expected, is it better to conduct a census? What is the best...
04 April 2017 3,565 6 View
Can one do SEM-PLS (Structure Equation Model (Partial Least Square) on 5-Likert scale?
04 April 2017 3,696 2 View
If I decide to go for a census normality test won't be needed, but if I stick to a sample then does my data need to be normal for regression and SEM?
04 April 2017 8,999 5 View
Am trying to examine the effect from my independent variables using mediation effect in the middle (OCBs) toward the dependent variable (employee performance), as I knew before, I can use SEM...
02 February 2017 647 7 View
"Errors are found in this table. In the lower part of the table, all the p-values are exactly in the same (i.e., 0.000). These are impossible as at least the 13 insignificant p-values must be...
11 November 2016 7,560 0 View
