Question: Agriculture: Harvest Weight of Maize The following data represents weights in kilograms of maize harvest from a random sample of 72 experimental plots on St. Vincent, an island in the Caribbean

7.8 9.1 9.5 10.0 10.2 10.5 11.1 11.5 11.7 11.8

12.2 12.2 12.5 13.1 13.5 13.7 13.7 14.0 14.4 14.5

14.6 15.2 15.5 16.0 16.0 16.1 16.5 17.2 17.8 18.2

19.0 19.1 19.3 19.8 20.0 20.2 20.3 20.5 20.9 21.1

21.4 21.8 22.0 22.0 22.4 22.5 22.5 22.8 22.8 23.1

23.1 23.2 23.7 23.8 23.8 23.8 23.8 24.0 24.1 24.1

24.5 24.5 24.9 25.1 25.2 25.5 26.1 26.4 26.5 26.7

27.1 29.5

1. Compute the five-number summary.
2. Compute the interquartile range.
3. Make a box-and-whisker plot.
4. Discuss the distribution. Does the lower half of the distribution show more data spread than the upper half?

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