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Self Practice 11.2b Mastery 11.2 6. (a) R , Q (b) Q9
1. (a) ξ 1 A 1. ξ 7. (a) Set P is a universal set. It
3 5 A 1 2 B 0 is because set P consists
of all the elements under
9 3 6 4 5 discussion.
7 11 7 8
9 (b) R is the set of odd numbers.
8. 8
(b) ξ B 18
12 11 13 \ A9 = B 9. Not true. The complement of
17 19 16 2. (a) P , Q set A is the girls who are not
14 15 (b) R , Q prefects and the boys in Class 1
Bakti.
3. (a) { }, {1}, {4}, {9}, {16},
2. (a) ξ P 27 {1, 4}, {1, 9}, {1, 16},
3 6 12 {4, 9}, {4, 16}, {9, 16}, Chapter 12 Data Handling
18 24 21 {1, 4, 9}, {1, 4, 16}, {1, 9, 16}, Self Practice 12.1a
9 15 {4, 9, 16}, {1, 4, 9, 16}
(b) 1. (a) Numerical data

(b) Numerical data
(b) ξ L 3 5 6 7 8
Q 10 (c) Categorical data
P N 2 K 4 11 (d) Categorical data
E G L 20 1 12
S A 19 9 16 13 (e) Numerical data
18 17 15 14 (f) Numerical data
(g) Categorical data
Self Practice 11.2c K , L (h) Numerical data
1. (a) , (b) , 4. ξ 2. T-shirt
(c)  (d)  P R Q size Tally Frequency
2. (a) ø, {p}, {q}, {p, q} S | 1
(b) ø, {2}, {3}, {5}, {7}, {2, 3}, M |||| |||| || 12
{2, 5}, {2, 7}, {3, 5}, {3, 7}, L |||| |||| 9
{5, 7}, {2, 3, 5}, {2, 3, 7}, XL |||| 5
{2, 5, 7}, {3, 5, 7}, {2, 3, 5, 7} 5. C , B , A , j
Total 27
Self Practice 11.2d
Let’s Practise
1. (a) A 1. P is the set of quadrilaterals. Self Practice 12.1b
B 1.
10 20 70 2. {0} Ways of Travelling to School
40 3. (a) P = {2, 4, 6, 8, …}
60 10
30 50 Q = {2, 4, 6, 8, …}
P = Q 8
(b) Set A has an element ‘0’,
(b) M therefore set A is not an Number of students 6
N K empty set. 4
A
B I A ≠ B 2
J (c) E = {1, 3, 5, 15}
F = {15, 30, 45, 60, …} 0
E ≠ F Car Bicycle Walk
Self Practice 11.2e 4. 6 School bus Public bus
5.
1. ξ e P ξ B
R Q a A Way of travelling
f b C
g c The bar chart is suitable for
h d comparing the number of
students with how they travel
to school.

321
Answers

14 Ans Math F1.indd 321 11/10/16 12:23 PM