A teacher wants to find out the average number of weekly reading hours of her students. She noted the number of reading hours of 5 of her students, as shown below:5, 2, 4, 8, 6Which measure of central tendency is most appropriate for this situation, and what is its value? Only the median; 5 Only the mean; 4 Either the mean or median; both are 5 Either the mean or median; both are 4