A company has five departments: Marketing, Planning, Implementation, Quality Control, and Finance. A CEO wants to assess productivity of staff members within five departments at her company. As she does not have the skills in-house, she employs an external agency which provides suitable productivity assessment tools. Nine senior employees from each department are given a questionnaire to complete. The data from this questionnaire is fed into the computer for statistical analysis. The test statistic was computed to be 1.11. Based on the information provided, which of the following statements is TRUE? Consider an alpha value is 0.05 and a two-tailed test, if necessary.
aThe productivity of one of the departments is different
bThe productivity of the Planning department is greater than the Finance department
cThere is no difference between the departments in terms of their productivity
dThe productivity of the Quality Control department is greater than the other four departments