2. Triangle Research Institute is conducting a study to ascertain whether there is any difference in attitude toward env
Posted: Wed Nov 24, 2021 9:20 am
2. Triangle Research Institute is conducting a study to ascertain whether there is any difference in attitude toward environmental issues based upon professional background. A sample of 110 persons was asked --Do you want stricter environmental policy? The following table summarizes the survey result. No Do not know Yes 40 60 10 Business Academic 70 35 5 At 10% level of significance, can you conclude that attitude toward environmental policy and the respondent's backgrounds are independent?