Applied Statistical Methods 1000
Solutions to Practice Quiz 4

1.  
   1. .67
   2. .25
   3. .1(.1)=.01
2.  
   1. age, (ii)
   2. 60/200=.30
   3. 240/1800=.13
   4. Yes: proportions seem very different.
   5. 30, 270
3.  
   1. (ii)
   2. (ii)
   3. (ii)
   4. .45
   5. s=.02365
   6. .46-.45=+.01
   7. (ii)
   8. yes
   9. (i)
   10. (iii)
   11. .260, .280

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