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Thanks for the explanation Shakti..I got it..

Hi, Reference: R11. P1.T2_Stock_v5 The three key assumptions of the ordinary least squares (OLS) linear regression model are the following: 1. Assumption # 1: The conditional distribution of the error term, u(i), has a mean of zero. This assumption is a formal mathematical statement about the...

Hi, "The t-statistic tests the null hypothesis that the population mean equals a certain value: - If the sample (n) is large (e.g., greater than 30), the t-statistic has a standard normal sampling distribution when the null hypothesis is true." When we say, if sample size is large as mentioned...