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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.

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A group of students were given a spelling test. The table shows their marks.
Mark
Frequen...
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