Solution not available The following data were obtained from a company which manufactures special plastic containers which are to hold a specified volume of hazardous material. On each of the three 8 hour shifts workers are able to make 500 of the containers. Some containers do not meet specifications as required by the company's customer because they are too small, others because they are too large. Conformance to Specification Shift Too Small Within Spec. There appears to be no association between accident type and age.
Age seems to be independent of accident type.
Accident type does not seem to be independent of age. The proportion of sprain, cuts and burns seems to be similar for both age classes. A survey was conducted to investigate whether alcohol consumption and smoking are related. The calculated value of the test statistic is 3.84. The calculated value of the test statistic is 7.86.