In a sample of 130 large publicly-traded companies, the average return on their stock was 13.5% with
Question: In a sample of 130 large publicly-traded companies, the average return on their stock was 13.5% with a standard deviation of 4.5%. In another sample of 130 small publicly-traded companies, the average return was 16% with a standard deviation of 5.8%.
a) At the 1% level of significance, does it appear that there is a difference between the returns of large and small publicly-traded companies?
b) What is the p-value?
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Deliverables: Word Document
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