Regression Correlation 28 Probability 18 Statistics 15 Sampling 8 Statitics 5 Random variables 3 Central tendency 2 Classical linear regression model 2 Econometrics 2 Factor analysis 2 Hetroscedasticity 2 Index numbers 2 Linear Programming 2 Mean 2 Multiple linear regression model 2 Normal Distribution 2 Normal distribution 2 Regression analysis 2 Variance 2 Abstract algebra 1 Applied statistics 1 Auto Correlation 1 Based Sampling 1 Binomial Distribution 1 Canonical correlation 1 Charts and graphs 1 Chi-square test 1 Computer applications 1 Corelation 1