Question: Refer to Example 13.2. The actual after and before operating incomes were recorded. a. Test to determine whether there is enough evidence to infer that

Refer to Example 13.2. The actual after and before operating incomes were recorded.

a. Test to determine whether there is enough evidence to infer that for companies where an offspring takes the helm there is a decrease in operating income.

b. Is there sufficient evidence to conclude that when an outsider becomes CEO the operating income increases?

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