Question $61$ point possible $($graded$)$ You are not sure whether the murders.csv file has a header row. How could you check this? Select ALL that apply. Open the file in a basic text editor. In the RStudio $$Files$$ pane, click on your file, then select $$View File$.$ Use the command read$\_$lines $($remembering to specify the number of rows with the n$\_$max argument$).$ unanswered