Which of the following are the properties of a normal distribution? (A) May be symmetrical or skewed (B) Uni-modal, bell-shaped and symmetrical (C) Asymptotic to the x-axis (D) m and p are the two parameters (E) μ and σ are the two parameters Choose the correct answer from the options given below:

Which of the following statistical tests is primarily used to test the independence of attributes?

Dimension reduction methods have the goal of using the correlation structure among the predictor variables to accomplish which of the following: A. To reduce the number of predictor components B. To help ensure that these components are dependent C. To provide a framework for interpretability of the results D. To help ensure that these components are independent E. To increase the number of predictor components Choose the correct answer from the options given below: