Normal distribution was defined specially by ------- a) Laplace b) Gauss c) DeMoivre d) None of these59.Which of the following is significance of normal distribution in statistical analysis?

• A. many of the dependent variables are commonly assumed to be normally distributed
• B. many of the statistical techniques in inferential statistics assumes normality of variable.
• C. the theoretical distribution of the hypothetical set of sample means is approximately normal.
• D. all of the above