Mr Greg distributes numbers of cotton balls to each of his students. His students received the cotton balls 20 15 22 14 25 21 12 20 11 16 29 25 17 19 25 25 31 13 10 18 39 24 29 30 34 25 14 a) Construct a stem-and-leaf plot for the given dataset. Stem Leaf 3 0149 Key: b) Find the following of cotton balls received for each student. i. Range ii. Mode iii. Mean (up to 2 decimal points) | 27 =

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A:

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