1. In the finding the critical value for the Wilcoxon signed rank test, what does n represent? a. The number of observations in the sample b. The number of pairs C. The number of nonzero deviations d. The number of positive ranks 2. A company conducted a survey of its employees to determine their level of satisfaction with various company policies. The data collected from this survey are: a. primary data. b. secondary data. c. experimental data. d. census data