Data Analysis
What type of survey data would the following question generate
'What is your favorite ice-cream flavour'
Categorical, Nominal
The amount saved if a 25% discount is offered on an item marked $24 is
$6
Consider the below matrix
F = [ 1 3 5 ]
Its order is
1 x 3
Euler's formula for a planar graph is
v-e+f=2
The mean of the following data is
1, 1, 3, 6, 9
4
How much interest is earned if $3000 is invested for 18 months at 6.5% p.a.?
$292.50
| 7 4 | | 5 -2 |
| 6 2 | + | 1 5 | =
| 12 2 |
| 7 7 |
A planar graph is
A graph with no edges crossing
The median of this data set is
4, 9, 12, 15, 16, 18, 20
15
The 20th term of this sequence is equal too
27, 19, 11, 3, ...
-125
Matrix A is a 2 x 4 matrix
Matrix B is a 4 x 1 matrix
What would the order of the matirx resulting from AB be?
2 x 1
The have the name number of edges and vertices, and corresponding vertices have the same degree and the edges connect the same vertices
The IQR of this data set is
18, 23, 24, 28, 31, 33, 40
10
The 20th term of this sequence is equal to
0.5, 1, 2, 4, ...
262144
Find the inverse of
|1 2|
|3 4|
| -2 1 |
| 1.5 -0.5 |
A planar connected graph has 4 vertices and 6 edges. How many faces does is have?
4
The standard deviation of this data is
2, 3, 5, 6, 9
2.7
The terms of a sequence start at 1000 and each new term is 8% less than the previous term. Find the 15th term, correct to two decimal places
311.19
Consider Matrix A, which is a 2 x 2 matrix
A * A-1 =
|1 0|
|0 1|
A connected graph has 8 vertices and 10 edges. It's spanning tree has how many edges?
7