A Goodness of Fit Test is run to see if the proportion of hair color among students at a particular school matches the hair color proportions population in the surrounding area. In the surrounding...

Extracted text: A Goodness of Fit Test is run to see if the proportion of hair color among students at a particular school matches the hair color proportions population in the surrounding area. In the surrounding area, 15% of the people have black hair, 50% of people have brown hair, 30% have blond hair and 5% have red/ginger hair. A sample of 150 students is taken at the school and it is found that 38 have black hair, 72 have brown hair, 29 have blond hair and 11 have red/ginger hair. Find the hair color category which has the largest difference between the observed number and the expected number. the black brown blond red