A group of students were given a spelling test.
The table shows their marks.
Mark
Frequen...
Mathematics, 15.12.2020 15:50 mophillips20202
A group of students were given a spelling test.
The table shows their marks.
Mark
Frequency
6
5
a) Work out the range of the marks.
7
4
8
7
b) How many students are in the group?
9
10
10
4
c) Work out the mean mark of the group.
Answers: 3
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