Which of the following is NOT a type of data?

Which of the following is NOT a type of data?
 a. Parameter data c. Ordinal data
  b. Nominal data d. Interval data

Q. 2

If we want to perform a two-tail test of a population proportion p, we can only use the z-test of p.
  Indicate whether the statement is true or false

Q. 3

If you use information about a sample to draw a conclusion about a population, you are doing:
 a. Inferential parameters c. Inferential statistics
  b. Descriptive statistics d. The wrong kind of statistics

Q. 4

If we want to perform a one-tail test of a population proportion p, we can employ either the z-test of p, or the chi-squared goodness-of-fit test.
  Indicate whether the statement is true or false