The data set represents the responses of 15 students who were asked how many text messages they send in a day. {55, 50, 54, 51, 52, 53, 50, 51, 2, 56, 55, 56, 54, 57, 55}
The best measure of center for this data set is the mean, median, range or interquartile range.
and its value is 51, 52 , 53 or 54