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15 Cards in this Set
- Front
- Back
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What is the Mean?
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The Mean of the set of data is the average. To find the mean you add up all the numbers and divide by no of observations.
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What is the Range ?
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The Range is the difference between the smallest and largest number in he group.
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What is the Mode ?
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The Mode is the number that appears the most often.
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What is the Median ?
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The Median is the number which is in the exact middle of data set.(1,2,3,4,5)=3 is median. (1,2,3,4)=2.5 is median.
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what is upper quartile?
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The upper quartile is the median of the second half of sample.
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what is the lower quartile?
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The lower quartile is the median of the first half of sample.
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What is G.I.F.A?
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G.I.F.A stands for gross internal floor area (m2)
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Why cst control ?
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1/. Budgeting-forecasting clients cashflow
2/. otherwise generally more expensive 3/.Resource constraints: -expensive labour-material shortage-time pressures 4/. Cost of borrowing-relates to inflation 5/.Accountability-Shareholders-public sustainability issues-government legislation 6/. Complexity of projects-more trades/contractors needed. |
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What factors affect cost ?
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Plan shape, Height/no. of storeys,perimetre wall,floor ratio, circulation space
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what does plan shape entail?
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Complexity, external works cost, roof costs, size.
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what does height/no. of storeys entail?
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Construction costs, costs of stair installation, cost of lift installation, increasein foundation/structure costs
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Storey height
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if higher from one floor to the next , more verticle elements required.
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perimiter wall/floor ratio
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a number measuring economy of outside wall(envelope)
wall area(icluding windows) --------------------------- floor area may be of limited value in that height and size effect its usefulness |
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circulation space
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is a percentage of total floor area
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cost modelling
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symbollic representation of the significant cost items in the form that will allow analysis and prediction of future costs.
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