In a set of all possible values a discrete random variable is ...

[LaDunn]

In a set of all possible values a discrete random variable is countable, because the variable can assume values only at specific points on a scale of values, with inevitable gaps in-between.
  Indicate whether the statement is true or false

Question 2

How does a test of homogeneity differ from a general contingency table problem?

[hugthug12]

Answer to Question 1

T

Answer to Question 2

In test of homogeneity, experimenter controls 1 of the 2 variables so that row totals or the column totals are predetermined.

[LaDunn]

TYSM

[xiaomengxian]

Thanks for the timely response, appreciate it