Do People
                Prefer Vans or
                Converse?




By Juan Perez
Sunny Saucedo
Vans
• They were
  founded in 1966
• Brothers Paul Van
  Doren and James
  Van Doren
  opened their first
  store in Anaheim,
  California
Converse
• Converse were
  founded in
  1908
• Marquis Mills
  Converse
  opened his first
  store in
  Malden,
  Massachusetts
Hypotheses
• H₀: Gender and shoe preference are
  independent

• Hₐ: Not Independent
Which one do you prefer
      (please circle one)




        (circle one)
       Male or Female
Chi-square Test
                        2
2   observed expected
          expected
Conditions
• Random



• Normal



• independent
Vans     Converse total

Male     24       15       39
         (19.5)   (19.5)
Female   20       29       49
         (24.5)   (24.5)
Total    44       44       88
Results

 ₂
X =3.729

P-Value = .05344

DF= 1
Conclusions
• We failed to reject the H₀

• We cannot show that gender and shoe
  preference are not independent
Potential Errors
• Vans has a greater variety in styles




• Converse have been around longer than Vans
The world may never know?




By Juan Perez
Sunny Saucedo

2012 AP Stats Project (3)