Examine the built-in dataset co2. Which of the following is true: * co2 is tidy data: it has one year for each row co2 is not tidy: we need at least one column with a character vector. co2 is not tidy: it is a ...

1.One ball will be drawn at random from a box containing: 3 cyan balls, 5 magenta balls,and 7 yellow balls. What is the probability that the ball will be cyan? * Option: 0.2 0.8 0.4 0.6 2.What is the probability that the ball will not be cyan? * Option: 0.8 0.2 0.4 0.6 3.Instead ...

If you try to recover the value of a variable that is not in yourworkspace, you get an option to recover it froom environment get an error have to create a new one Any of above

Pie charts are appropriate: * When we want to display percentages When ggplot2 is not available Never. Barplots and tables are always better. When I am in a bakery.

p+geom_point(aes(population/10^6, total)) +geom_text(aes(population/10^6, total, label = abb)) What is this piece code do? Create a plot Create a geometric text Create a geometric layer Create a geometric point