An example of interval data would be ________.
A) classifying customers by geographical region
B) rating a movie as bad, good, or excellent
C) ranking potential employees by SAT scores
D) comparing retail stores by number of units sold
Question 2
If the number n of non-zero sample observations is large, then the sign test is based on the normal approximation to the binomial with mean = 0.5n and variance 2 = 0.25n.
Indicate whether the statement is true or false