63. The amount of radiation received at a greenhouse plays an important role in determining the rate of photosynthesis.

The accompanying observations on incoming solar radiation were read from a graph in the article “Radiation Components over Bare and Planted Soils in a Greenhouse”

(Solar Energy, 1990: 1011–1016).

6.3 6.4 7.7 8.4 8.5 8.8 8.9 9.0 9.1 10.0 10.1 10.2 10.6 10.6 10.7 10.7 10.8 10.9 11.1 11.2 11.2 11.4 11.9 11.9 12.2 13.1 Use some of the methods discussed in this chapter to describe and summarize this data.