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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