Question 2A data analyst creates a bar chart with the diamonds dataset. They begin with the following line of code: ggplot(data = diamonds) What symbol should the analyst put at the end of the line of code to add a layer to the plot? 1 pointThe plus sign (+)The equals sign (=)The pipe operator (%>%)The ampersand symbol (&)

Question 3What is the role of the x argument in the following code?ggplot(data = diamonds) + geom_bar(mapping = aes(x = cut))1 pointA dataset A variableA functionAn aesthetic

________________ symbol is used to represent input and output operation in flowchart.

_________ symbol used when the flow chart is starting or ending.

Which symbol represents a decision in a flow chart?

The _________________ symbol is used to represent decision in flowchart.