Networks
What is Eulers Rule?
V+F=E+2
What is the difference between explict and recurrence formuals?
Recurrence allows you to find the next term int he sequence. Explict allows you to find any term in the sequence.
What does r stand for?
Correlation Coeficient
How many seasons in a cycle
3
What do Kangaroos and Emus have in comoon and why are they on the coat of arms?
They both can't go backwards, like out country.
How do we test if a network is transversable?
If it had 0 or 2 odd nodes.
What is happening in this equation?
Tn+1=0.65Tn
Decreasing by 35%.
What variable is on the x-axis?
Explanatory Variable
What's the 4 point moving average for: 5, 5, 6, 4
5
What is the name of the logest river in Australia?
The Murray River
What does Hamiltonian mean?
You can visit all nodes only repeating the first and last node to make it fully Hailtonian or a cycle.
What shape do geometric sequences and arithmetic sequences make?
Exponencial and linear respectively
y-axis
What is the purpose of moving averages
To smooth the data to see underlying trends.
List 4 coutries in Europe that end in y.
Italy, Norway, Germany, Hungary
What make a simple graph?
No loops, weighted lines, directed edges or multi edges.
What type of graph is the following:
Tn-1 = Tn +2
Arithmetic Progression
What strength and direction would the following r value give you? -0.6
moderate, negative
What is the seasonal index for Friday?
M - 1.2, T - 0.7, W - 1.3, Th - 1, F-?
0.8
What are the prongs on a fork called?
Tines
What is the difference between connected and complete graphs?
Connected all nodes must be connected to the network in some form. Complete means each node is connected to every other node.
Find the equation which will allow you to find the nth term. The first 3 terms are 2.5, 3, 3.6
Tn=2.5 x 1.2n-1
What is the coefficient of determination when y=-2x + 5 and r=0.92
r2 = -85%
What is the Deseasonalised Value formula?
DV = Actual/SI
What year did the first season of Grey's Anatomy Air?
2005