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Use appropriate data from these graphs to compare the central tendency and spread of the birth weights of the two sets of babies.
Mathematics 9709 · AS & A Level · Sampling and estimation
Sampling and estimation — practice question
The cumulative frequency graphs show the birth weights of random samples of $900$ babies from country $A$ and $900$ babies from country $B$.
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Obtain the medians or means for A and B from plots or midpoints.” …
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