Simon measures the heights, $h$ cm, of 200 sunflowers in his garden, and this information is displayed on the cumulative frequency diagram.
(a)[2]
Determine how many of these sunflowers are taller than $160\ \text{cm}$.
(b)[3]
Using the grid above, draw a second cumulative frequency diagram to represent this information.
(c)[2]
Find the difference between the median heights of Simon’s sunflowers and Sue’s sunflowers.
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