Wait what? there’s no pic
Each person will get one third
The answer to your question is 7.45
Yes the absolute value of 2 is 2!
It is false that for visualizing the relationship between a numerical and a categorical variable, a mosaic
plot is useful. This is because the best plot to use for this kind of
relationship is the side by side box plot.
Comparing the
distribution of a numerical variable across the levels of a categorical
variable is something we usually consider in this type of relationship.
The levels of one categorical variable by means of a quantitative
variable is best compared by using the visual display called the side by side
boxplot. <span>By placing single boxplots adjacent to one
another on a single scale, the side by side box plot is constructed.</span>