Handling Data 6
1 mark · EasyHere are two histograms showing the heights of plants in two different greenhouses, A and B.
Which greenhouse has more plants with heights between 40 cm and 60 cm? Write your answer: Greenhouse A or Greenhouse B.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
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Greenhouse A
Also accept: Greenhouse A
Common mistakes: Greenhouse B
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Marking points
B1 · 1 mark · States the correct greenhouse (A) based on comparison of frequency densities.
Worked solution
In the 40–60 cm interval, Greenhouse A has a bar of frequency density 5 and B has 3. Therefore, Greenhouse A has more plants in this height range.