When analysing normally distributed data, standard deviation can be used in conjunction with the mean in order to calculate data intervals. If = mean, S = standard deviation and x = a value in the data set, then. 1  about 68% of the data lie in the interval: . 2  about 95% of the data lie in the interval: + 2S.
Small Dwarf Flowering Bushes. Small flowering bushes work well in various areas of the yard. Dwarf bushes, also called shrubs, are those that typically grow to a height of anywhere from 6 inches to 3 feet tall. Many varieties of dwarf miniature bushes are evergreen, remaining green throughout the year, but also bloom in certain seasons. Dwarf flowering bushes are known for their hardiness in all planting zones, including the coastal climates.
Osteospermum is a low growing, spreading perennial, well suited to a number of uses. In particular it is a good flowering evergreen ground covering perennial that doesnât get too tall. They tolerate dry conditions well, and for this reason are often thought of as a plant only for dry soils.steospermums have been subject to hybridization and there is now a good colour range and a few interesting flower variations to the normal open daisy flowers which are their big draw. Osteospermum âWhirlygigâ being the most unusual of the flower shapes.