further mathematics · 2019. 10. 4. · further mathematics written examination 2 2016 trial...
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TSSM 2016 Page 1 of 13
FURTHER MATHEMATICS
Written Examination 2
2016 Trial Examination
SOLUTIONS
Core – Data Analysis
Question 1
a. 127 - 128
1 mark
b. 125 - 126
1 mark
c. %6910051
35
1 mark
d. The distribution of heights is negatively skewed.
1 mark
Question 2
a. There is more variability in the heights of Grade 10 students (50 cm) as compared to Grade
11 students (45 cm).
The middle 50% of Grade 10 students are less variable than the middle 50% of Grade 11
students.
2 marks
b. 25%.
1 mark
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Question 3
a. With increase of one day in absence, the grade in the final exam reduces by approximately
1.654
2 marks
b. 87.32% of variation in final grade can be explained by the variation in number of absent
days.
1 mark
c.
1 mark
Question 4
a. There is a moderate, positive linear association between height and foot length.
1 mark
b.
1 mark
c.
As it is a case of extrapolation it may not be very reliable.
2 marks
Core – Recursion and Financial Modelling
Question 1
a.
1 mark
b.
2 marks
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c. Generate on CAS:
1 mark
d.
2 marks
e.
1 mark
Question 2
a.
1 mark
b.
1 mark
c.
2 marks
d. $3556
2 marks
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e.
1 mark
f.
1 mark
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Module 1: Matrices
Question 1
a. Number of students participating in Dance from Yr 8.
1 mark
b.
1 mark
Question 2
a.
1 mark
b. Students attending the dance club in one month will continue attending dance club in the
next month.
1 mark
c.
1 mark
d.
1 mark
e.
4 students.
2 marks
Question 3
a. Number of columns in N is not the same as the number of rows in A
1 mark
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2016 FURTHERMATH EXAM 2
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b.
The product matrix represents the total money paid by all year 7 and year 8 students each
month.
2 marks
c.
2 marks
d.
Total from year 8 students = $7360.20
2 marks
Total 15 marks
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Module 2: Graphs and Networks
Question 1
a.
1 mark
b.
Shortest distance = 22 km
1 mark
c.
1 mark
d. . Hamiltonian path
2 marks
Question 2
a.
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2 marks
b.
1 mark
C
A B
D
A
E
A
G
A
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Question 3
a.
2 marks
b. .
1 mark
Question 4
a.
2 marks
b. .
2 marks
Total 15 marks
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2016 FURTHERMATH EXAM 2
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45°
15°
Shop
780m
60°
Post office
Home
120°
Module 3: Geometry, measurement and trigonometry
Question 1
a.
1 mark
b.
1 mark
c.
2 marks
d.
1 mark
e.
Or
7802131 m
sin 45 sin15
xd
1 mark
f. If d is the distance from the shop to home then
Or
780
2610 msin120 sin15
dd
Total distance travelled
2 marks
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Question 2
a.
2 marks
b.
2 marks
Question 3
a.
1 mark
b.
1 mark
c.
1 mark
Total 15 marks
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Module 4: Graphs and Relations
Question 1
a.
1 mark
b.
1 mark
Question 2
a. 500
1 mark
b.
2 marks
c. As the advertising cost increases by $1, the number of sales increases by 2.5.
1 mark
d.
1 mark
Question 3
a. $400
1 mark
b.
2 marks
Question 4
a.
1 mark
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2016 FURTHERMATH EXAM 2
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b.
2 marks
c.
50 boots and 700 shoes.
2 marks
Total 15 marks