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.
Depending upon conditions, this dwarf tree may grow up to 35 feet, although a more typical size of a mature tree is a height of 15 feet and a spread of 7 to 10 feet.ittle Gem magnolia (Magnolia grandiflora Little Gem), a compact evergreen tree, is a slow-grower but can sport flowers when it's only 2 to 3 years old. Also known as the dwarf Southern magnolia, this tree works well for smaller yards and in lawns, near decks and patios, in planters or as a privacy screen or hedge.