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.
Golden Male Fernâ Semi-evergreen hardy fern, producing a âshuttlecockâ of dark green lance shaped fronds, Height 60cm best grown in moist humus rich soil in partial shade. DRYOPTERIS Atrata â Shaggy Shield Fern. The clump-forming Shaggy shield fern has large, dark green fronds that unfurl to resemble elephantsâ trunks.ryopteris can be deciduous, semi-evergreen or evergreen ferns, with stout, erect or decumbent rhizomes and shuttlecock-like rosettes of lance-shaped to ovate, pinnately divided fronds. Semi-evergreen fern to 75cm, forming a compact clump of broadly ovate, bipinnatifid fronds, often coppery-pink when young.