3.112 Discuss why the experiment in Example 13.5 pro-duced a significant test result whereas the one

3.112 Discuss why the experiment in Example 13.5 pro-duced a significant test result whereas the one inExercise 13.111 did not.13.113Xr13-113 Refer to Example 13.2. The actual afterand before operating incomes were recorded.a. Test to determine whether there is enoughevidence to infer that for companies where anoffspring takes the helm there is a decrease inoperating income.b. Is there sufficient evidence to conclude thatwhen an outsider becomes CEO the operatingincome increases?