MJ vs. LBJBy: Joseph Osorio          &     Justin Sloan
Is there a preference between Michael Jordan orLebron James based on grades level?
Random  Samples (met)Independent (met)Normality (met)Conditions
Proportionsn=110 (sample size)MJ= 85/110LJ= 25/110
Chi-Square TestHo: Pick + Grade are           Ha: Not IndependentIndependent     Grade Level   Michael        Lebron James...
Younger students tend to pickLebron James
Older students tend to pickMichael Jordan
1-Proportion Z TestSince our p-value is low, we reject Ho.
Jordan Wins !!!
Convenience         SamplingDoesn’t     Care ◦ (Doesn’t like basketball)Potential Errors
MJ vs. LBJBy: Joseph Osorio          &     Justin Sloan
Upcoming SlideShare
Loading in …5
×

2012 AP Stats Project (2)

757 views

Published on

Justin (varsity football captain) and Joe (varsity wresting captain) investigate the preference between two NBA superstars. Who do students prefer? The data suggest that lower classmen prefer Lebron James while upper classmen prefer Michael Jordan.

Published in: Education, Travel, News & Politics
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
757
On SlideShare
0
From Embeds
0
Number of Embeds
297
Actions
Shares
0
Downloads
2
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

2012 AP Stats Project (2)

  1. 1. MJ vs. LBJBy: Joseph Osorio & Justin Sloan
  2. 2. Is there a preference between Michael Jordan orLebron James based on grades level?
  3. 3. Random Samples (met)Independent (met)Normality (met)Conditions
  4. 4. Proportionsn=110 (sample size)MJ= 85/110LJ= 25/110
  5. 5. Chi-Square TestHo: Pick + Grade are Ha: Not IndependentIndependent Grade Level Michael Lebron James Jordan 9 14 (18.5) 10 (5.5) 10 18 (20.1) 8 (5.9) 11 22 (19.3) 3 (5.7) 12 31 (27.0) 4 (8)
  6. 6. Younger students tend to pickLebron James
  7. 7. Older students tend to pickMichael Jordan
  8. 8. 1-Proportion Z TestSince our p-value is low, we reject Ho.
  9. 9. Jordan Wins !!!
  10. 10. Convenience SamplingDoesn’t Care ◦ (Doesn’t like basketball)Potential Errors
  11. 11. MJ vs. LBJBy: Joseph Osorio & Justin Sloan

×