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Numeracy Higher June 2025 Unit 1 Q6

WJECHigherCurrent spec4 marksBox Plots

6. Kendrick Nurseries grow tomatoes to sell to supermarkets.

They grow three varieties: Sungold, Roma and San Marzano.

The head gardener recorded the mass of tomatoes from each of 500 plants for each of the three varieties.

The box-and-whisker diagrams below show the masses of the tomatoes.

Box-and-whisker diagrams on a grid, Mass (kg) from 0 to 80, for Sungold, Roma and San Marzano
(a) What is the range of the masses for the Sungold tomato plants? [1]

Range is …………… kg

(b) How many of the Roma plants produced 22 kg or less of tomatoes? [2]

…………… plants

(c) The box-and-whisker diagrams show that two of the varieties have the same lower quartile mass.

Which one of these two varieties produces tomatoes that seem to have a more consistent mass?

Variety of tomato is ……………

Which one of these measures could you use to help you decide?
Circle your answer. [1]

Mode    Median    Mean
Interquartile range    Greatest mass

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