Diagnostic Test for SSS013

  1. The value of 5 + 2 x 3 is:
    1.  21
    2. 11
    3. 10
    4. 13

  2. The answer to the square root of 15 + 22 is closest to:
    1. 6.08
    2. 25.87
    3. 4.69
    4. 37

  3. Negative 5 squared
    1. -25
    2. 10
    3. 25
    4. -10

  4. Evaluate 10 divided by ( 23 + 36 ) to 2 decimal places:
    1. 5.92
    2. 36.43
    3. 0.17
    4. 0.16

  5. Evaluate (12.4 - 6.5) divided by 0.4, divided by the square root of 25 to 2 decimal places:
    1. 9.15
    2. 2.95
    3. -0.77
    4. 73.75

  6. If y = 1.2x + 45.8 find the value of y if x = 6
    1.  53.16
    2.  53
    3.  62
    4.  62.16

  7. If z = (x - u) divided by o  find z if x = 7.4, u = 11.2  and   o = 1.2

    1.  -1.93
    2.  3.17
    3.  -3.17
    4.  1.93

  8. If  z = (x - u) divided by o  find x if z = 2.5, u = 4.4 and o = 5
    1.  -3.9
    2.  8.1
    3.  34.5
    4.  16.9

  9. The following scattergram indicates
                                                                                       
                            Scattergram
    1. a strong negative correlation between variable A and B
    2. a weak negative correlation between variable A and B
    3. a strong positive correlation between variable A and B
    4.  a weak positive correlation between variable A and B



      For questions 10, 11, 12 and 13 refer to the scores:    4   2   6   2   1   8   5

  10. The mode is:
    1.  4
    2.  2
    3.  8
    4.  7

  11. The range is:
    1.  4
    2.  2
    3.  8
    4.  7

  12. The mean is:
    1. 4
    2. 2
    3. 8
    4. 7

  13. The median is:
    1.  4
    2.  2
    3.  8
    4.  7

  14. For this sample of scores: 2 6 8 12 15, the standard deviation is:
    1.  4.54
    2.  8.6
    3.  13
    4.  5.08

  15. The median of   2.1   2.3   2.5   2.6   2.6   3.2   3.5   3.8   4.2  4.4  is
    1.  2.95
    2.  2.9
    3.  2.8
    4.  2.6

  16. A group of smokers were surveyed to find out how many cigarettes they smoked in a day. The findings are shown in the table.

    Number of cigarettes 10 15 20 25 30
    Frequency 2 11 7 8 10

    How many smokers were surveyed in this poll:
    1.  5
    2.  100
    3.  38
    4.  50

    For questions 17, 18 and 19 refer to the following table of data:

    x 2 5 9 10
    y 5 6 7 11

  17. Sigma x would equal:
    1. 55
    2. 20
    3. 29
    4. 26

  18. Sigma (y squared) would equal
    1. 29
    2. 841
    3. 231
    4. 87

  19. (Sigma x) squared would equal
    1.  676
    2. 210
    3. 213
    4.  650

  20. If a population is normally distributed:
    1.  it is symmetrical           
    2.  has all scores centred around the mean
    3. has 50% of scores bigger than the mean score
    4.  a, b and c are all true


  

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