BatCo (The Battery Company) creates your ordinary customer battery. The organization guarantees that their batteries last no less than 100 hours, by and large. Your involvement with the BatCo battery has been to some degree diverse, so you choose to lead a test to check whether the organizations case is valid. You trust that the mean life is very than the 100 hours BatCo claims. You choose to gather information on the normal battery life (in hours) of an arbitrary example and the data identified with the theory test is exhibited underneath.
What is the example mean of this information? On the off chance that you utilize a 5% centrality level, would you presume that the mean existence of the batteries is regularly over 100 hours? Clarify your answer.