The range of the set of scores, 3, 4, 1, 2, 5, 1, 8 is:
1.
7.
2.
8.
The range of the distribution 6, 1, 5, 7, 8, 4, 10 is:
5 6/7.
9.
4.
6.
The range of distribution 2, 4, 2, 6, 3, 7, -1 is:
13.
The most popular mark scored in a test is called:
Mean.
Data.
Median.
Mode.
The modal class in the following frequency distribution table is:
6 - 7.
14 - 17.
10 - 13.
2 - 5.