Which of the following is an aspect of Exploratory Data Analysis (EDA)? Discovering patterns in the data Uncovering data errors including identifying missing data Checking assumptions made about the data O All of the above What is a data dictionary? O Explains whether the data is quantitative or qualitative in nature. O Provides suggestions on the type of modeling methodology that should be used. O Defines the meaning of each field contained in a data set. Is used to identify missing data in a data set. Which of the following is a common method used in Exploratory Data Analysis (EDA)? Neural networks O Optimization models Filtering data All of the above Which of the following is the best use for a box-and-whisker chart (or boxplot)? To identify correlation between two variables. O To determine which of several categories contains the most correct values. O To visualize the distribution of data associated with a variable. O To examine the output of a multiple regression model