Find the arithmetic mean of the following data: 2, 3, 4, 5, 6, 7, 8, 9
Find the median of the following data :
10,8,2,4,3,5,1,7,6,9
The following are marks in a class assessment:
4, 6, 7, 5, 3, 5, 4, 5, 2, 6, 2, 5, 1, 9, 6, 5, 8, 4, 6, 7
Draw the Tally mark - frequency table and find the arithmetic mean.