1. [-10.38 Points] DETAiLS BBUNDERSTAT12 1.3.001. MY NOTES ASK YOUR TEACHER A study of college graduates involves three variables: income level, job satisfaction, and oneway commute times to work. List some ways the variables might be confounded. (Select all that apply.) People with who are very unsatised with their jobs will have a low Income. I People with long commutes will have very high incomes. Peopie may have a career following their passion, but have a low income or a long commute. A working spouse could affect all three variables. . Oneway commute times may be long because affordable housing ls distant from the job. People might be very satised with their career as long as the income is high. Need Help? 2. [-10.38 Points] DETAILS BBUNDERSTAT121.3,002. MY NOTES ASK YOUR TEACHIER Consider a completely randomized experiment in which a control group is given a placebo for congestion relief and a treatment group is given a new drug for [ congestion relief. Describe a double-blind procedure for this experiment. Those administering the treatments do not know which patients received which treatments. Neither the patients nor those administering the treatments know which patients received which treatments. The patients do not know which treatment they received. The patients do not know which treatment the other patients received. What are some benets of such a procedure? (Select all that apply.) This process should eliminate potential bias from the treatment administmtors. This process should eliminate potential bias from the patients' families. This process should eliminate potential bias from the researchers. This process should eliminate potential bias from patient psychology regarding benefits of the drug