18:32 Wed 2 Nov
Question Progress
1/4 Marks
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Homework Progress
16/26 Marks
A group of students were given a spelling test.
The table shows their marks.
a) Work out the range of the marks.
b) How many students are in the group?
c) Work out the mean mark of the group.
Mark
6
7
8
9
10
Frequency
5
4
7
10
4
100% K