4. {1, 4, 9, 4, 10, 8, 42} what is the best measure of center for this data set? a. mean because there is an outlier b. median because there is an outlier c. mean or median because there is no outlier d. mode because there is an outlier 5. what measure of center best represents the data set? {37, 39, 38, 78, 36} a. mean only b. median only c. mode only d. mean or median brainliest to correct answer!