Being concerned with whether a study answers the questions it posed is a concern for the study's

What is the most important characteristic of any sample?

A) It should be homogeneous. B) It should accurately represent the population. C) It should be heterogeneous. D) It should include the entire population.

Which of the following is not true of an honest graph?

a. both axes should be labeled by variable name and unit of measurement b. the independent variable corresponds to the y-axis; the dependent variable, to the x-axis c. data points should be in the correct spot, marked with a dot d. both axes should be marked with evenly spaced intervals