NREYESLDS2806
21.11.2020 •
Mathematics
13
Florence carried out a survey of the number of packets of crisps eaten by her
friends in a week. She put the results in a frequency table shown below.
Number of packets of crisps
Frequency
5
2
o
1
2
3
4
5
7
Calculate
the mean
a)
b)
the mode
the range
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