Which of the following statements is false?

Which of the following statements is false?
 a. Two attribute variables can form bivariate data.
  b. Two numerical variables can form bivariate data.
  c. One attribute variable and another numerical variable can form bivariate data.
  d. None of the above.

Q. 2

Which of the following statements is false?
 a. The total of the marginal totals in a contingency table is the grand total and is equal to n, the sample size.
  b. The frequencies in a contingency table can be expressed as percentages of the row totals by dividing each row entry by the grand total and multiplying the results by 100.
  c. In problems that deal with two quantitative variables, we present the sample data pictorially on a scatter diagram.
  d. None of the above.

Q. 3

For which of the following situations is it appropriate to use a scatter diagram?
 a. Presenting two qualitative variables
  b. Presenting one qualitative and one quantitative variable
  c. Presenting two quantitative variables
  d. All of the above.

Q. 4

Which of the following would not be appropriate when considering two qualitative variables?
 a. Contingency table
  b. Two histograms
  c. Two bar graphs
  d. Two circle graphs

Q. 5

In bivariate data, where both response variables are quantitative ordered pairs (x, y), what name do we give to the variable x?
 a. Attribute variable
  b. Dependent variable
  c. Output variable
  d. Independent variable

Q. 6

In problems that deal with two quantitative variables, we present the sample data pictorially on a scatter diagram.
  Indicate whether the statement is true or false