Basic Applied Statistics 200
Solutions to Practice Quiz 3

1.  
   1. 30.0, 32.6, 35.2, 37.8, 40.4, 43.0, 45.6
   2. 30.0 and 45.6
   3. 35.2
   4. 2.5%
   5. 0.85
   6. (iii)
   7. skewed right
2.  
   1. Explanatory: type of car (categorical). Response: price (quantitative)
   2. (iii)
   3. (iii)
   4. (iv)
   5. (iv)
   6. (ii)
   7. (i)
3.  
   1. White: 680/3710=0.18. Black: 210/1080=0.19.
   2. No, they seem quite close.
   3. race

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