Fol-lowing presentation of the digits, the vigilance task started.Memory for these digits was only tested once, at the end ofthe vigilance task (40 min later). Immediately after the lasttrialinthevigilancetask,adigitwaspresentedatthecenterof the display for 153 ms. Observers were required to ...
Mean Median Mode Calculator. In statistics, mean is the average of all the data. Median is the middle value of the set of data and mode is the one that occurs most often in a set of data. The difference between the largest and smallest data is the range. This online calculator helps you to find the mean, median, range and mode of the values you entered.
Definition of Median. Median is the middle data value of an ordered data set. 1  If there are two middle values, then the median is the mean of the two numbers. 2  There will be two middle values when the number of values in the data set is even.  12, 23, 8, 46, 5, 42, 19. Mean =.