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Quiz 1
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> summary(Q1)
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.    NA's 
  0.000   5.000   7.000   7.273  10.000  10.000   3.000 
> stem(Q1)

  The decimal point is at the |

   0 | 0
   2 | 0
   4 | 00000000000
   6 | 0000000000000
   8 | 0
  10 | 00000000000000000


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Quiz 2
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> summary(Q2)
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.    NA's 
  0.000   4.000   6.000   5.682   8.000  10.000   3.000 
> stem(Q2)

  The decimal point is at the |

   0 | 0
   2 | 00000
   4 | 0000000000000
   6 | 000000000000
   8 | 0000000
  10 | 000000


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Quiz 3
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> summary(Q3)
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.    NA's 
      2       4       6       6       8      10       3 
> stem(Q3)

  The decimal point is at the |

   2 | 000
   4 | 00000000000
   6 | 000000000000000
   8 | 0000000000000
  10 | 00


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Quiz 4
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> summary(Q4)
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.    NA's 
  2.000   6.000   8.000   7.791  10.000  10.000   4.000 
> stem(Q4)

  The decimal point is at the |

   2 | 0
   3 | 0
   4 | 000
   5 | 0
   6 | 0000000
   7 | 0000
   8 | 00000000
   9 | 0
  10 | 00000000000000000


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Quiz 5
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> summary(Q5)
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.    NA's 
  0.000   5.000   6.000   6.537   8.000  10.000   6.000 
> stem(Q5)

  The decimal point is at the |

   0 | 0
   2 | 00
   4 | 000000000
   6 | 00000000000000
   8 | 000000000
  10 | 000000