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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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posted:11/10/2011
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