There are 30 students, so we are looking for the group which contains the \((30 + 1) \div 2 = 15\frac{1}{2}th\) value, which lies halfway betwen the 15th and the 16th value. The cumulative frequency ...
When there are a large number of values present, the data may be presented in a table. The pupils in year 6 at St Jude’s School were asked how many siblings they had. The results are displayed in the ...
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