List I- (Statistical term) | List II-(Description) | ||
---|---|---|---|
A | Statistics | I | Numbers which occur frequently in population |
B | Mode | II | Arithmetic average |
C | Frequencies | III | Calculus of observation |
D | Mean | IV | Value of the item that has highest frequency |
Find the mean and mode of the following data:
Class | 15--20 | 20--25 | 25--30 | 30--35 | 35--40 | 40--45 |
Frequency | 12 | 10 | 15 | 11 | 7 | 5 |