A behaviorist has performed the following experiment.For each of 10 sets of identical twins who were born 30 years ago, he recorded their annual incomes, according to which twin was born first.The results (in $1,000s) are shown below.Can he infer at 5% significance level that there is a difference in income between the twins?
Definitions:
Oil Firm
A company involved in the exploration, production, refinement, or sale of oil and oil products, often playing a significant role in the energy sector.
Striking Oil
Discovering a significant and valuable amount of oil during drilling activities.
Ford Dealership
A business authorized by the Ford Motor Company to sell and service Ford vehicles.
Return Buyers
Customers who make repeated purchases from a business, reflecting customer loyalty and satisfaction.
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