Answer 1 : Option A is correct. In order to create a meaningful
pie chart all of the categories must be mutually exclusive. It
means that in pie chart all the information are inter- related to
each other.
Answer 2 : The statement is true. As it shows that the scatter
diagram has been shown in relation of correlation. It shows the
relationship of two variables that are quantative in nature.
Answer 3 : The statement is false. As data dashboard shows
information about both categorical information as well as
quantative data in systematic and logical manner.