# Bahagian C

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```					Question                               Scheme of marks                               Marks
14 (a)                Mass (kg)            Frequency             Midpoint
Jisim (kg)           Kekerapan            Titik tengah
1
30 - 34                1                     32
35 – 39                 2                     37
40 – 44                 5                     42                  1
45 – 49                 6                     47
50 – 54                 8                     52
55 – 59                 5                     57                  1
60 - 64                3                     62
(b) (i)   50 – 54                                                                       1
1(32)  2(37)  5(42)  6(47)  8(52)  5(57)  3(62)
(ii)    Mean =                                                                       2
1 2  5  6  8  5  3
= 49.5                                                                 1

(c)

   Axes drawn in the correct directions with uniform scales.          1
 All 7 points correctly plotted                                       2
 Point (27, 0) and (67, 0) correctly plotted                          1
 All the 7 points starting from (27, 0) until (67, 0) are connected   1
correctly with straight line

12
Question                                                    Scheme of marks                marks
15 (a)       Plan:
The shape must be right with the rectangles. All lines must be fully drawn.

3
2 cm

3 cm

6 cm

Measurement must be accurate to  0.2 cm and all angles at rectangle
vertex = 90o  1
Note: The shape is correctly drawn award 1 mark
b (i)    Elevation X:
The shape must be right . All lines must be fully drawn.

1 cm                                                         4

1 cm
3 cm

4 cm
2 cm                                          2 cm

1 cm                 5 cm

Measurement must be accurate to  0.2 cm and all angles at rectangle
vertex = 90o  1
Note: The shape is correctly drawn award 1 mark
b (ii)   Elevation Y:
The shape must be right with the rectangles. All lines included the dotted
lines must be shown completely.

1 cm
5
1 cm

1 cm

2 cm

6 cm

Measurement must be accurate to  0.2 cm and all angles at rectangle              12
vertex = 90o  1
Note: The shape is correctly drawn award 1 mark

8
Question                                  Scheme of marks   Marks

16. (a)       145oW or 145o B                               2
Note : 145o or  o W or  o B award 1 mark

(b) (i)   70o                                           1
700 × 60                                      1

4 200                                         1

(c) (i)    5220                                          1
60

5220                                          1
–   55
60

32oS                                          1

(ii)    Using cos 55                                 1

180  60  cos 55                            1

180  60  cos 55o  5220
1
650

17.56                                         1

12

9

```
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 views: 3 posted: 11/10/2011 language: Malay pages: 3