When do we use summary(name of a data set)? Question 9 options: When we wish to know the source and authors of the data. When we wish to be given information about which variables are the most strongly correlated with each other. When we wish to be given summary information relationships between variables in the data set, such as slopes and p-values for statistical models. When we wish to be given summary statistics for individual variables, such as the average values and certain percentiles