Question: 2) Considering the population variance is unknown, perform a hypothesis test if the average stock return is O or not for each index: Ho :

2) Considering the population variance is unknown, perform a hypothesis test if the average stock return is O or not for each index: Ho : p = 0 Ha : p at 0 3) Perform following hypothesis based on all assumption we had in 2) Ho: p 2-3

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