6 - Part C: A study was conducted to determine the effectiveness of four different pain relief treatments. A total of 20 patients were allocated to four equal groups of 5 patients. The effectiveness was measured by comparing the mean time to pain relief between the four groups. The results are shown in the table below. What type of statistical test should the research conduct? Complete the following results table based on the information from the previous study. Source of Variation SS df MS F Between Groups 1524.4 Within Groups 3719.48 Total 5243.88