The image below shows the SPSS output table for the Friedman test for the time

(in hours) that 10 college students spent browsing (times: 3, 2, 3, 4, 2, 3, 4, 1, 3, 1), shopping online (corresponding times: 3, 1, 3, 1, 3, 2, 2, 3, 4, 3), and using social media

(corresponding times: 4, 3, 5, 5, 4, 6, 5, 2, 3, 5) on their smartphones per week. [Please feel free to enter these data in SPSS and follow the directions given in Section 18.11 to reproduce the SPSS output table shown.] Based on the data summarized in the table, which of the following statements is true?

a. The value of the test statistic is 9.243.

b. The decision is to reject the null hypothesis, p = .010.

c. Both a and b are true.