Eye and hair color In Chapter 4, Exercise 24, we sawa survey of 1021 school-age children conducted byrandomly selecting children from several large urbanelementary schools. Two of the questions concernedeye and hair color. In the survey, the following codeswere used:The students analyzing the data were asked to study therelationship between eye and hair color. They producedthis plot:They then ran an Analysis of Variance with Eye Color asthe response and Hair Color as the factor. The ANOVAtable they produced follows:Source DFSum ofSquaresMeanSquare F-Ratio P-ValueHair Color 4 1.46946 0.367365 0.4024 0.8070Error 1016 927.45317 0.912848Total 1020 928.92263What suggestions do you have for the Statistics students?What alternative analysis might you suggest? Hair Color Eye Color1 = Blond 1 = Blue2 = Brown 2 = Green3 = Black 3 = Brown4 = Red 4 = Grey5 = Other 5 = Other
Eye and hair color In Chapter 4, Exercise 24, we saw
a survey of 1021 school-age children conducted by
randomly selecting children from several large urban
elementary schools. Two of the questions concerned
eye and hair color. In the survey, the following codes
were used:The students analyzing the data were asked to study the
relationship between eye and hair color. They produced
this plot:They then ran an Analysis of Variance with Eye Color as
the response and Hair Color as the factor. The ANOVA
table they produced follows:
Source DF
Sum of
Squares
Mean
Square F-Ratio P-Value
Hair Color 4 1.46946 0.367365 0.4024 0.8070
Error 1016 927.45317 0.912848
Total 1020 928.92263
What suggestions do you have for the Statistics students?
What alternative analysis might you suggest?
Hair Color Eye Color
1 = Blond 1 = Blue
2 = Brown 2 = Green
3 = Black 3 = Brown
4 = Red 4 = Grey
5 = Other 5 = Other
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