How do you know where to plot on different frequency diagrams?
am I right in thinking for certain diagrams you plot on the mid value while for others you plot on the highest value in each interval?
Original post by Bertybassett
am I right in thinking for certain diagrams you plot on the mid value while for others you plot on the highest value in each interval?
Frequency polygon - though I've never seen them in A levels - midpoints
Cumulative frequency - highest value
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(edited 7 years ago)
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