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(a)
Elevation (m)
0
400
800
1200
1600
2000
2400
2800
3200
4000
4800
5600
6400
Pressure (kPa)
100
98.5
97
95.5
94
92
90.5
89
87.5
83.5
80
77.5
75
Vapour pressure (kPa)
2.25
2.0
1.8
1.6
1.45
1.3
1.15
1.03
0.93
0.74
0.59
0.48
0.38
If 58% of the perceptible water is produced from the air up to an elevation of 6400 m to form rainfall at the ground level, what would be the depth of the rainfall?
(b)
After the passage of a cyclone over the Northern Queensland, the rainfall stations A, B and C within a reserve area in the form of a square recorded X mm, 1.5 X mm and 1.25 X mm respectively. Estimate the mean areal precipitation over the reserve first by the arithmetic mean method and then by Thiessen polygon method. (X=58)
Random Sampling Method In this method the units are selected in such a way that every item in the whole universe has an equal chance of being included. In the words of croxton
A rightist incumbent (player I) and a leftist challenger (player C) run for senate. Each candidate chooses among two possible political platforms: Left or Right. The rules of the g
A sample of 43 houses that were purchased in the Southern California town Monrovia within a month was collected. We are interested in the study of the relationships between Price a
Let X, Y, and Z refer to the three random variables. It is known that Var(X) = 4, Var(Y) = 9, and Var(Z) = 16. It is further known that E(X) = 1, E(Y) = 2, and E(Z) = 4. Furthermor
how much that cost ?
Analysis of variance allows us to test whether the differences among more than two sample means are significant or not. This technique overcomes the drawback of the method used in
Grouped data For grouped data, the formula applied is σ = Where f = frequency of the variable, μ= population mea
Disadvantages For calculating median it is necessary to arrange the data; other averages do not need any arrangement. Since it is a positional average, its value is not d
Classification of Universe The universe may be classified either on the basis of number of units and on the basis of existence of units as is clear from the following chart :
show that (N,/) IS NOT A SEMI GROUP
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