Taste the Rainbow By: Esbeyde and Stephanie Saldana
Jan 17, 2015
Taste the RainbowBy: Esbeyde and
Stephanie Saldana
Survey
What is your favorite Skittles flavor? (circle one please)
Grape (purple) Lemon (yellow) Lime
(green) Orange (orange) Strawberry
(red)
Gender: Male or Female :]
Is there a preference in flavor?
strawberry
orange
lemon
lime
grape
Ho: There is no preference in
flavor.
Ha: There is a preference in
flavor.
Chi-SquareGoodness-of-Fit Test
2
2 observed expected
expected
Check ConditionsRandom
Independent
Normal
n=66 Grape Lemon Lime Orange Strawberry
Observed
9 7 11 7 32Expected (13.2) (13.2) (13.2) (13.2) (13.2)
X²= 34.3P≈ 0Df= 5
• Are gender and choice Skittles flavor
independent?
strawberry
orange
lemon
lime
grape
Ho: Gender and
Skittles preference
are independent.
Ha: Gender and
Skittles preference
are not
independent.
grap
e
lemo
nlim
e
oran
ge
strawberr
y
Mal
e
2(3.14)
2(2.44)
5(3.83)
5(2.44)
9(11.15)
Femal
e
7(5.86)
5(4.56)
6(7.17)
2(4.56)
23(20.85)Male n= 23 Female n=43
•Not enough in the expected count. Conditions were not met.
Potential Errors & Recommendations
Have a larger sample size Make people eat a different flavor first Give only one of each Skittles flavor
Blind taste test Provide water
By: Esbeyde and Stephanie
Saldana