Basic Applied Statistics 200
Solutions to Practice Quiz 6

  1.  
    1. (i)
    2. Greek letter sigma
    3. (i), (ii)
    4. 1230, 120 divided by square root of 36 = 20
    5. 0.5
    6. (v)
    7. (i)
  2.  
    1. 0.20
    2. yes
    3. 13, 51
    4. bell curve with 7 points indicated: 0.05, 0.10, 0.15, 0.20(mean), 0.25, 0.30, 0.35
    5. 8/64=0.125 between 0.10 and 0.15: (ii) somewhat low
  3.  
    1. (iv)
    2. (ii)
    3. (i)
    4. 0.06 plus or minus 2(0.01)= (0.04, 0.08)
    5. no
    6. (iv)
    7. (i)
    8. (ii); (iii)


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